Connecticut Running Races

310 upcoming races across Connecticut in the next 12 months, from local 5Ks to marathons and ultras. Updated nightly. Want filters, maps, and radius search? Open Connecticut in the Race Finder.

By distance: Marathons · Half Marathons · 5K Races · 10K Races · Ultras

By city: Roxbury · Cornwall · Stratford · West Hartford · Hamden

Racing in Connecticut: what the calendar looks like

There are 310 races on the Connecticut calendar over the next 12 months, which works out to roughly 6 every weekend. October is the busiest month with 112 races; July is the quietest with 1. The busiest places to race are Roxbury (15), Cornwall (14), Stratford (11).

Of those, 204 offer a 5K, 50 offer a 1 Mile and 23 offer a 10K. The next marathon is NipMuck Trail Marathon on October 4 in Ashford. The next half marathon is Faxon Law New Haven Road Race on September 7.

By race count Connecticut ranks 25th of 51 states.

Races by month

Sep 202689 races
Oct 2026112 races
Nov 202657 races
Dec 202616 races
Jan 20274 races
Feb 20273 races
Mar 20275 races
Apr 20278 races
May 20279 races
Jun 20274 races
Jul 20271 race
Aug 20272 races

September 2026

Sat 9/550th Annual Sao Paio 5k road race/walk and fun runNaugatuck, CT · 5K · Road · from $30 · register ↗
Sat 9/5Black Hog Brewing Co. 5K Road RaceOxford, CT · 5K · Road · from $30 · register ↗
Sat 9/5Quassapaug Sailing Center Open Water SwimMiddlebury, CT · 5K · 1.5 Miles · 0.5 Miles · 5 Miles · 4.5 Miles · from $30 · register ↗
Sat 9/5Roxbury Road Race Series #25Roxbury, CT · 1 Mile · Road · from $10 · register ↗
Sat 9/5Run for The HillsNiantic, CT · 5K · from $25 · register ↗
Sat 9/5The GREAT Donut ChallengeWest Hartford, CT · 5K · from $30 · register ↗
Sat 9/5Westport Road Runners Summer SeriesWestport, CT · 2.2 Miles · 5K · 3.8 Miles · 4.1 Miles · 4.7 Miles · from $15 · register ↗
Sun 9/63rd Annual LSC Soccer StrideLedyard, CT · 5K · from $10 · register ↗
Sun 9/6Haddam Neck Fair 5KHaddam, CT · 5K · from $18 · register ↗
Mon 9/7Faxon Law New Haven Road RaceNew Haven, CT · Half Marathon · 20K · 5K · 0.5 Miles · Road · from $8 · register ↗
Tue 9/8Notre Dame West Haven XC DuelsWest Haven, CT · 5K · 4K · 1.4 Miles · register ↗
Tue 9/8Tuesday 1:30pmFarmington, CT · register ↗
Wed 9/92026 Fall Ellington Youth Cross Country ProgramEllington, CT · register ↗
Wed 9/9Somers Cross Country Home Meet 1Somers, CT · 5K · registration closed · register ↗
Sat 9/122026 Dave Parcells Madison TriathlonMadison, CT · 16.5 Miles · 20K · 16.2 Miles · from $100 · register ↗
Sat 9/122026 Gulf Beach Half MarathonMilford, CT · Half Marathon · register ↗
Sat 9/122026 STERLING DOWN AND DIRTY 5KStratford, CT · 5K · register ↗
Sat 9/12Greenleaf 5K River Run for the FundNew London, CT · 5K · from $30 · register ↗
Sat 9/12Groton City Brew RunGroton, CT · 5K · 1.5K · from $32 · register ↗
Sat 9/12Kailey Jaie Prenoveau Scholarship 5K RunHarwinton, CT · 5K · from $20 · register ↗
Sat 9/12Ladrigan Swim RacesNorwalk, CT · 1 Mile · 0.5 Miles · from $30 · register ↗
Sat 9/12Riva Runs The Boardwalk 5kWest Haven, CT · 5K · from $25 · register ↗
Sat 9/12Roxbury Road Race Series #26Roxbury, CT · 6.4 Miles · Road · from $10 · register ↗
Sat 9/12Run 4 Hunger and HealthNewtown, CT · 5K · 1 Mile · from $5 · register ↗
Sat 9/12SUFFIELD PARKS & RECREATION ROAD RACESuffield, CT · 10K · 5K · 2.5K · Road · from $25 · register ↗
Sat 9/12Saturday 10:15amWest Hartford, CT · register ↗
Sat 9/12Saturday 9amWest Hartford, CT · register ↗
Sat 9/12The Cross-Connecticut Run for Mental Health AwarenessWest Suffield, CT · 56 Miles · register ↗
Sun 9/132026 Farmington Memorial Walk & Kids' Fun RunFarmington, CT · from $10 · register ↗
Sun 9/132026 Lyme Hunter PaceLyme, CT · 8 Miles · from $60 · register ↗
Sun 9/13EDRRC - High Watch Recovery Center's Sprint for Sobriety 5K Run/WalkKent, CT · 5K · from $25 · register ↗
Sun 9/13East Haven Community ClassicEast Haven, CT · 5K · 1 Mile · register ↗
Sun 9/13Lebanon Elementary School PTA Mini MudderLebanon, CT · register ↗
Sun 9/13Macedonia Trail RaceKent, CT · 50K · 25K · 12K · Trail · register ↗
Sun 9/13Montville Race Day 5K , 10K , and Color RunOakdale, CT · 5K · 10K · from $30 · register ↗
Sun 9/13PTSMC Stride to Provide 5K Run/WalkWallingford, CT · 5K · from $37 · register ↗
Sun 9/13Sprague All Are Welcome 1-mile fun runBaltic, CT · 1 Mile · from $25 · register ↗
Sun 9/13Sunday 10:15amWest Hartford, CT · register ↗
Sun 9/13Sunday 3pmWest Hartford, CT · register ↗
Sun 9/13Sunday 4pmWest Hartford, CT · register ↗
Sun 9/13Sunday 9amWest Hartford, CT · register ↗
Sun 9/13West Haven Community House 85th Anniversary Community Fun WalkWest Haven, CT · 2 Mile · from $30 · register ↗
Mon 9/1414th Annual Miles for a Mission 5K Run/Walk – In Person AND Virtual – benefiting INTEMPOStamford, CT · 5K · from $30 · register ↗
Tue 9/15Avon XC Home MeetAvon, CT · 5K · registration closed · register ↗
Wed 9/16WATKINSON CROSS COUNTRY RACESHARTFORD, CT · registration closed · register ↗
Sat 9/192026 Run To The River 5KDeep River, CT · 5K · from $20 · register ↗
Sat 9/192nd Annual PCS Harvest Hustle 5K & Kids RunPomfret Center, CT · 0.5 Miles · 5K · from $10 · register ↗
Sat 9/194 Town 5kSomers, CT · 5K · from $35 · register ↗
Sat 9/19ABC Laps For Life 5kMiddletown, CT · 5K · from $45 · register ↗
Sat 9/19Arc RunMeriden, CT · 10K · 5K · from $20 · register ↗
Sat 9/19Bound for the SoundOld Lyme, CT · 5K · 10K · 1 Mile · from $5 · register ↗
Sat 9/19Bozrah Fire Department 5k Road Race and Kids' fun runBozrah, CT · 5K · Road · from $30 · register ↗
Sat 9/19Connecticut River Valley InvitationalCromwell, CT · 5K · registration closed · register ↗
Sat 9/19Fleet Feet Hartford Fall 2026 Training ProgramsWest Hartford, CT · 5K · 5 Miles · from $100 · register ↗
Sat 9/19OUTRUN ADDICTION 5KEnfield, CT · 5K · 2 Mile · from $25 · register ↗
Sat 9/19Roxbury Road Race Series #27Roxbury, CT · 4.3 Miles · Road · from $10 · register ↗
Sun 9/2014th Annual NOW ~Lap The Lake~ 5k Walk & RunDayville, CT · 5K · from $5 · register ↗
Sun 9/2017th Annual Farmington River Run 5K Trail RaceFarmington, CT · 5K · Trail · from $35 · register ↗
Sun 9/202026 Darien Road Race & Family Fun Day Charity FundraiserDarien, CT · 1.5 Miles · 5 Miles · Road · from $45 · register ↗
Sun 9/20Circle of Care's Annual Walk/Run for Kids With CancerWestport, CT · 5K · from $25 · register ↗
Sun 9/20Cockaponsett Trails to a CureChester, CT · 9 Miles · 4 Miles · Trail · from $20 · register ↗
Sun 9/20Come Out & Run 5kWilton, CT · 5K · from $30 · register ↗
Sun 9/20HALF WAY TO ST. PATS DAY 5KStratford, CT · 5K · from $25 · register ↗
Sun 9/20Murray Lender 5K Bagel RunWoodbridge, CT · 0.5 Miles · 5K · 2 Mile · from $20 · register ↗
Sun 9/20One Mile, One Goal RunEnfield, CT · 1 Mile · from $25 · register ↗
Sun 9/20Where the Pavement Ends Single & Double LoopRidgefield, CT · 4.3 Miles · 8.2 Miles · from $42 · register ↗
Sat 9/262026 Hartford HealthCare Community 5KHartford, CT · 5K · register ↗
Sat 9/262026 Pies & Pub TaTa Trot 5kMiddlebury, CT · 5K · from $35 · register ↗
Sat 9/26Chamber Challenge 5KMeriden, CT · 5K · from $20 · register ↗
Sat 9/26Come on Over 5K and 2.1 Mile Fitness WalkPortland, CT · 5K · 2 Mile · from $20 · register ↗
Sat 9/26Cromwell Riverport 5kCromwell, CT · 5K · from $25 · register ↗
Sat 9/26Hayfield Hustle and Oktoberfest at New Pond Farm Education CenterRedding, CT · 5 Miles · 5K · 1K · from $15 · register ↗
Sat 9/26Hogsback Half MarathonColebrook, CT · Half Marathon · from $60 · register ↗
Sat 9/26No Sto Defeats MSA 5K Trail Race and Fitness WalkNorth Stonington, CT · 5K · 1 Mile · Trail · from $20 · register ↗
Sat 9/26Roxbury Road Race Series #28Roxbury, CT · 5K · Road · from $10 · register ↗
Sat 9/26Sickle Cell Disease Association of America, CT/ Michelle's House Walk. Run. Bike.New Haven, CT · 5K · 1 Mile · 15 Miles · from $25 · register ↗
Sat 9/26The River RunSimsbury, CT · 5K · 10K · 1 Mile · from $30 · register ↗
Sat 9/26Together We Run for Education Charity Road RaceEast Hartford, CT · 5K · 1.5 Miles · Road · from $15 · register ↗
Sat 9/26Tunxis Trail RacesBurlington, CT · 8K · 5K · Trail · register ↗
Sat 9/26Woodbridge 5kWoodbridge, CT · 5K · from $30 · register ↗
Sun 9/274th Annual Beach to Beach 5kMorris, CT · 5K · from $30 · register ↗
Sun 9/27Bosco Fowler Memorial 5K Road RaceStafford Springs, CT · 5K · Road · from $20 · register ↗
Sun 9/27Central CT Open Water SwimMarlborough, CT · 5K · registration closed · register ↗
Sun 9/27HSS Greenwich Half MarathonOld Greenwich, CT · Half Marathon · from $70 · register ↗
Sun 9/27Lisbon Fall Festival Road RaceLisbon, CT · 5K · Road · from $25 · register ↗
Sun 9/27Moosup Valley 5k, 8K and 10K All Trail RaceSterling, CT · 5K · 10K · 8K · Trail · from $49 · register ↗
Sun 9/27Run/Walk To Save a Life 5KHamden, CT · 5K · from $30 · register ↗
Sun 9/27The 39th Bigelow Tea Community ChallengeSouthport, CT · 5K · 3K · 1 Mile · from $15 · register ↗
Tue 9/29Shoreline Small Schools League MeetMoodus, CT · 5K · register ↗

October 2026

Thu 10/1Answer the Bell Full - 100 Mile + (100 Miler) - Complete a 1.2 mile, 600 foot loop every hour, on the hour, for up to 84 hours, until you can no longer answer the bell. - Elevation Endurance Ultra Backyard Trail Marathon - 100 + Miles | 84 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, hike, or walk with us as we redefine race day.Cornwall, CT · 61 Miles · Trail · registration closed · register ↗
Thu 10/1Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Cornwall, CT · 61 Miles · Trail · registration closed · register ↗
Thu 10/1Everest - 60 Mile + (60 Miler) - just over 29029 feet of elevation gain up and down - Everesting Elevation Endurance Ultra Trail Marathon - 61 + Miles | 72 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Cornwall, CT · 61 Miles · Trail · registration closed
Thu 10/1IronHike Mohawk Mountain Fall Series 2026Mohawk Mtn Ski Area, Cornwall, CT · 29 Miles · 100 Mile · 15 Miles · 28.8 Miles · 43.8 Miles · Trail · from $145 · register ↗
Thu 10/1IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Solo - 72,590 feet of elevation gain, possibly more than any endurance event of its kind. - 100 Mile + Elevation Endurance Ultra Trail Marathon - 152 + Miles - 84 Hour - We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard UltraCornwall, CT · 152 Miles · Trail · from $1495 · registration closed · register ↗
Thu 10/1IronHike Olympus Mons Ultra | Run, Power Hike, Walk. | Mohawk Mountain, Connecticut | Fall | October | Trail Buddy Flex Relay (2 Mountain Athletes) - 72,590 feet of elevation gain, possibly more than any endurance event of its kind. - 100 Mile + Elevation Endurance Ultra Trail Marathon - 152 + Miles - 84 Hour - We are redefining race day. Tags: Iron Hike, 100 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Skratch Labs, Hardest Ultra, Hard UltraCornwall, CT · 152 Miles · Trail · from $2452 · registration closed
Fri 10/2Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Relay - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Cornwall, CT · 43 Miles · Trail · registration closed · register ↗
Fri 10/2Denali - 40 Mile + (40 Miler) - if you can only spare your whole weekend - Elevation Endurance Ultra Trail Marathon - 43 + Miles | 48 Hour - IronHike (Iron Hike) Fall (October / Oct) - Solo - Mohawk Mountain, Connecticut (CT) - Run, Hike or Walk with us as we redefine race day.Cornwall, CT · 43 Miles · Trail · registration closed
Fri 10/2Nonnewaug Cross Country InvitationalWoodbury, CT · 5K · 1.5 Miles · register ↗
Fri 10/2Pounding the Pavement for Pink RacesSeymour, CT · 5K · 1 Mile · from $15 · register ↗
Sat 10/32026 Rail Trail 10K RaceHamden, CT · 10K · Trail · register ↗
Sat 10/35th Annual Purple Light Project 5KHartford, CT · 5K · 1 Mile · from $20 · register ↗
Sat 10/3Chasing Ciara's Light 5K/12K Trail Race 2026Monroe, CT · 5K · 12K · 7 Miles · Trail · register ↗
Sat 10/3Cider Mill Road RaceTolland, CT · 5K · 1 Mile · Road · from $12 · register ↗
Sat 10/3Dana's Angels Research Trust's 2026 "DART To The Finish" 2 Mile Walk to Cure Niemann-Pick type C DiseaseOld Greenwich, CT · 2 Mile · from $15 · register ↗
Sat 10/3Forbidden Forest 30 Hour UltraStratford, CT · 30 Hour · Trail · registration closed · register ↗
Sat 10/3Forbidden Forest 30 Hour Ultra Trail RunStratford, CT · 30 Hour · Trail · register ↗
Sat 10/3Iron Hike - Fall Answer the Bell Ultra Trail Marathon - Basic (Backyard Ultra Format) - 28+ Miles | 14,400'+ Elevation | 24-Hour | Run, Hike or WalkCornwall, CT · 61 Miles · Trail · registration closed · register ↗
Sat 10/3Iron Hike - Fall Double Kuwohi Trail Marathon Plus - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or WalkCornwall, CT · 28 Miles · Trail · registration closed · register ↗
Sat 10/3Iron Hike - Fall Double Kuwohi Trail Marathon Plus Relay - 28+ Miles | 13,685' Elevation | 24-Hour | Run, Hike or WalkCornwall, CT · 28 Miles · Trail · registration closed · register ↗
Sat 10/3Iron Hike - Fall Kuwohi Trail Half Marathon Plus Relay - 15 Miles | 7,140' Elevation | 12-Hour | Run, Hike or WalkCornwall, CT · 15 Miles · Trail · registration closed · register ↗
Sat 10/3IronHike Kuwohi | Run, Power Hike, Walk. Solo | Start Here | Mohawk Mountain, Connecticut | 15 Miles | 7,140' Elevation | 12-Hour | Fall October - 7,140 feet of elevation gain across 12 laps on Mohawk Mountain Trail, the entry point for first time Mountain Athletes. - Elevation Endurance Half Marathon - We are redefining race day. Tags: Iron Hike, Trail Half Marathon Plus, Half Marathon, 15 Miler, Oct, CT, Cornwall, New England, Loop, Ski Slope, Beginner EnduranceCornwall, CT · 15 Miles · Trail · from $145 · registration closed · register ↗
Sat 10/3Race Brook's Rockin' Road RaceOrange, CT · 5K · Road · from $15 · register ↗
Sat 10/3Roxbury Road Race Series #29Roxbury, CT · 2.3 Miles · Road · from $10 · register ↗
Sat 10/3Running for Water for Africa 5KMilford, CT · 5K · 1 Mile · from $30 · register ↗
Sat 10/3Salmon River 5.5 Mile RunColchester, CT · 5.5 Miles · from $35 · register ↗
Sun 10/413th Annual Run Back to School 5K, 1 Mile Race & Fun RunWeatogue, CT · 5K · 1 Mile · from $15 · register ↗
Sun 10/42026 Groton Memorial Walk & Kids' Fun RunGroton, CT · from $10 · register ↗
Sun 10/4Anda! 5kNew Haven, CT · 5K · registration closed · register ↗
Sun 10/4Apple Harvest Road RacesSouthington, CT · 5 Miles · 5K · 2 Mile · 1 Mile · from $20 · register ↗
Sun 10/4Big Sky 5K and Kids 1 mile DashFarmington, CT · 5K · 1 Mile · from $10 · register ↗
Sun 10/4Capalbo Strong WalkFairfield, CT · 24K · from $20 · register ↗
Sun 10/4Fishbein / YMCA Community Road RaceWallingford, CT · 5K · 1K · 1 Mile · Road · from $5 · register ↗
Sun 10/4Garavel SoNo Half Marathon | 5KNorwalk, CT · Half Marathon · 5K · 1 Mile · from $25 · register ↗
Sun 10/4NipMuck Trail MarathonAshford, CT · Marathon · Trail · register ↗
Sun 10/4Norfolk Land Trust Trail Race Series/Haystack Mountain ChallengeNorfolk, CT · 5K · 10K · Half Marathon · Trail · from $25 · register ↗
Sun 10/4Strides for Strength!Bridgeport, CT · 5K · from $35 · register ↗
Wed 10/7Somers Cross Country Home Meet 2Somers, CT · 5K · registration closed · register ↗
Wed 10/7Westover Cross Country MeetMiddlebury, CT · 5K · registration closed · register ↗
Fri 10/9RACE FOR CATHERINENewtown, CT · 5K · from $15 · register ↗
Sat 10/104th Annual Pumpkin Run Harwinton 5K & Kids DashHarwinton, CT · 5K · from $5 · register ↗
Sat 10/10Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford, CT · Marathon · Half Marathon · 5K · registration closed · register ↗
Sat 10/10Gemstone Sparkle Sprint 5kWilton, CT · 5K · 1 Mile · from $25 · register ↗
Sat 10/10Hartland Harvest RunEast Hartland, CT · 5K · from $25 · registration closed · register ↗
Sat 10/10Miles for MoriahWest Haven, CT · 5 Miles · from $35 · register ↗
Sat 10/10Roxbury Road Race Series #30Roxbury, CT · 8.2 Miles · Road · from $10 · register ↗
Sun 10/112026 Footprints on our Hearts Walk & 5KMeriden, CT · 5K · registration closed · register ↗
Sun 10/11Benhaven Walk for AutismNew Haven, CT · 2 Mile · from $25 · register ↗
Sun 10/11Lime Rock Park 5KLakeville, CT · 5K · from $35 · register ↗
Sun 10/11Mohawk Mountain RaceCornwall, CT · Marathon · Half Marathon · 10K · 5K · Trail · register ↗
Sun 10/11Walk/Run for AbilisOld Greenwich, CT · 5K · registration closed · register ↗
Tue 10/13Country School XC InvitationalMadison, CT · 3K · registration closed · register ↗
Wed 10/14Wooster InvitationalDanbury, CT · 4K · registration closed · register ↗
Sat 10/174th Annual OAH STRIDES Race and Family Fun DaySimsbury, CT · 5K · 10K · 1 Mile · from $25 · register ↗
Sat 10/17All Hallows Eve 5KHampton, CT · 5K · from $25 · register ↗
Sat 10/17Cider Run/Walk 5kWarren, CT · 5K · from $25 · register ↗
Sat 10/17Coast Guard Foundation - Run to Remember 5k Road Race & WalkNew London, CT · 5K · 0.5 Miles · Road · from $30 · register ↗
Sat 10/17Consumer Reports 5KColchester, CT · 5K · from $23 · register ↗
Sat 10/17Harvest Hope 5KBolton, CT · 5K · from $30 · register ↗
Sat 10/17IDS Fearless 5K Run and WalkMiddlefield, CT · 5K · 1 Mile · from $10 · register ↗
Sat 10/17Ivoryton Pumpkin ChaseIvoryton, CT · 5K · 2 Mile · from $30 · register ↗
Sat 10/17Robert Tedford Memorial 5K Road RaceEllington, CT · 5K · Road · from $30 · register ↗
Sat 10/17Roxbury Road Race Series #31Roxbury, CT · 4.2 Miles · Road · from $10 · register ↗
Sat 10/17Run for WatersideStamford, CT · 5K · 1 Mile · from $8 · register ↗
Sat 10/17Tackle the Trail (TM)Northeast, CT · Marathon · Half Marathon · 10K · Trail · from $45 · register ↗
Sat 10/17The Little Guild 13th Annual Run & Wag 5KCornwall, CT · 5K · from $35 · register ↗
Sat 10/17Tom Centinaro Memorial "Dam" RaceWolcott, CT · 3.5 Miles · from $25 · register ↗
Sat 10/17Tunnel to Towers 5K Run & Walk - Bridgeport, CTBridgeport, CT · 5K · from $5 · register ↗
Sat 10/17Westover Girls Cross Country MeetMiddlebury, CT · 5K · registration closed · register ↗
Sun 10/182026 Run for The Cove 5K & Memorial WalkMadison, CT · 5K · 2 Mile · from $10 · register ↗
Sun 10/1834th Annual Halloween 5K and Kids Fun RunBrookfield, CT · 5K · from $5 · register ↗
Sun 10/18Addy’s Run 5KWaterford, CT · 5K · from $10 · register ↗
Sun 10/18Bimblers Bluff 50KGuilford, CT · 50K · register ↗
Sun 10/18Bristol Mum-A-Thon Road Race 2026Bristol, CT · 1 Mile · 5K · 8K · 8 Miles · Road · from $15 · register ↗
Sun 10/18Goodwill Halloween Hustle 5K and WalkGlastonbury, CT · 5K · from $25 · register ↗
Sun 10/18Gregory Burnett, Sr. Memorial 5K & Fun RunNorwalk, CT · 5K · 1 Mile · from $15 · register ↗
Sun 10/18Mikey's Place 5KWethersfield, CT · 5K · from $10 · register ↗
Sun 10/18Run for MusicLedyard, CT · 5K · 1 Mile · from $35 · register ↗
Sun 10/18SMP Lymphoma Research Foundation Charity 5KColebrook, CT · 5K · from $50 · register ↗
Sun 10/18The 36th edition of THE Great Pumpkin ClassicTRUMBULL, CT · 5K · 3K · from $17 · register ↗
Sun 10/18The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and The Iris Fund 5KRidgefield, CT · Half Marathon · 7 Miles · 5K · from $24 · register ↗
Sun 10/18The Salisbury Beast 5KSalisbury, CT · 5K · from $45 · register ↗
Wed 10/21NVL Cross Country ChampionshipWatertown, CT · 5K · registration closed · register ↗
Thu 10/22Berkshire League Cross Country ChampionshipsWatertown, CT · 5K · registration closed · register ↗
Sat 10/2418TH Annual 5K Walk/Run for Cancer CenterDerby, CT · 5K · register ↗
Sat 10/24Andover Norton Commission Trick or Trot 5K Run/Walk and Kids 1 K Fun RunAndover, CT · 5K · 1K · from $8 · register ↗
Sat 10/24Chasing the Legend; Easton's Lady in White 5K Run/WalkEaston, CT · 5K · from $35 · register ↗
Sat 10/24Easterseals Freedom StrideHartford, CT · 2 Mile · from $25 · register ↗
Sat 10/24Roxbury Road Race Series #32Roxbury, CT · 7.9 Miles · Road · from $10 · register ↗
Sun 10/255K for Ballet!East Hampton, CT · 5K · 2 Mile · from $25 · register ↗
Sun 10/25Abner Oakes III Veterans Run 5K & 10KHamden, CT · 5K · 10K · 1 Mile · from $25 · register ↗
Sun 10/25BRANFORD'S CIDER DONUT 5KBranford, CT · 5K · register ↗
Sun 10/25Connecticut Law Enforcement Officers Memorial RunMiddletown, CT · 5K · from $25 · register ↗
Sun 10/25Crosby Sports Hall of Fame Fall into Fall 4kWaterbury, CT · 4K · from $20 · register ↗
Sun 10/25Donny's DashSimsbury, CT · 5K · registration closed · register ↗
Sun 10/25Family Fun Halloween 5kWilton, CT · 5K · from $27 · register ↗
Sun 10/25HKYFS Pumpkin Run 5K, 2M & Kids RunHigganum, CT · 5K · 2 Mile · 0.5 Miles · from $20 · register ↗
Sun 10/25Kent Pumpkin Run 50th Anniversary RaceKent, CT · 5 Miles · from $5 · register ↗
Sun 10/25King Cares Annual 5KStamford, CT · 5K · from $30 · register ↗
Sun 10/25Masquerade 5KMarlborough, CT · 5K · from $25 · register ↗
Sun 10/25Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family StrollWESTON, CT · Half Marathon · 5K · 1K · from $15 · register ↗
Sun 10/25Run The Runway 5K & Kids Fun RunMeriden, CT · 5K · from $20 · register ↗
Wed 10/28Hamden Hall Middle School InvitationalHamden, CT · 2 Mile · registration closed · register ↗
Fri 10/30HVAL InvitationalLitchfield, CT · 5K · register ↗
Sat 10/3115th Annual Milford 5K Trick or Trot Run/WalkMilford, CT · 5K · from $25 · register ↗
Sat 10/31CFA 5K Run & Walk for Mental HealthGroton, CT · 5K · 1.5 Miles · from $35 · register ↗
Sat 10/31Collinsville Trick or TrotCollinsville, CT · 5K · from $30 · register ↗
Sat 10/31Hamden Hall CISAC League RaceHamden, CT · 5K · registration closed · register ↗
Sat 10/31Lyman Orchards Pie RunMiddlefield, CT · 5K · 5 Miles · from $30 · register ↗
Sat 10/31Roxbury Road Race Series #33Roxbury, CT · 5 Miles · Road · from $10 · register ↗
Sat 10/31St. Michael School 5K Turkey TrotPawcatuck, CT · 5K · 1 Mile · from $20 · register ↗
Sat 10/31Witches Cauldron 1 MilerVoluntown, CT · 1 Mile · from $25 · register ↗

November 2026

Sun 11/18 Hours at the FarmBrookfield, CT · 8 Hour · 4 Hour · 5K · register ↗
Sun 11/1Kevin Hutt 10kBloomfield, CT · 10K · register ↗
Sun 11/1Run with the SaintsDarien, CT · 5K · 1 Mile · from $25 · register ↗
Fri 11/6HVAL ChampionshipLitchfield, CT · 5K · registration closed · register ↗
Sat 11/714th Annual Vicki Soto 5KBridgeport, CT · 5K · register ↗
Sat 11/7Air Line Trail Ghost RunHebron, CT · Half Marathon · Trail · from $50 · register ↗
Sat 11/7CT Veterans Day RaceCoventry, CT · 4 Miles · 5K · from $35 · register ↗
Sat 11/7East Windsor Veterans Day 5K Road RaceBroad Brook, CT · 5K · Road · from $20 · register ↗
Sat 11/7Folds of Honor Bethel Veteran's Day 5KBethel, CT · 5K · from $25 · register ↗
Sat 11/7Plainfield Salute the Troops 5k, Fun Run, & Soldier StrollCentral Village, CT · 5K · 1.3 Miles · from $10 · register ↗
Sat 11/7Robert J. Lynes Memorial Road RaceMeriden, CT · 5K · Road · from $20 · register ↗
Sat 11/7Roxbury Road Race Series #34Roxbury, CT · 4.5 Miles · Road · from $10 · register ↗
Sat 11/7Run for the Riverfront 5KHartford, CT · 5K · from $35 · register ↗
Sat 11/7Tarzan Brown Mystic River RunMystic, CT · 5 Miles · 0.5 Miles · from $35 · register ↗
Sun 11/82026 Colony Grill 'Hot Oil' 5KFairfield, CT · 5K · from $38 · registration closed · register ↗
Sun 11/8Centerville Bank Thompson Turkey TrotThompson, CT · 5K · 3K · from $25 · register ↗
Sun 11/8Husky Run & Ruck 10K, 5K and Fitness WalkStorrs, CT · 10K · 5K · 1 Mile · registration closed · register ↗
Sun 11/8MPower Youth Running Festival | 5K · 1-Mile · Fun RunFarmington, CT · 1 Mile · 5K · from $10 · registration closed · register ↗
Sun 11/8Stonington Vineyards Wine Run Turkey Trot 5kStonington, CT · 5K · from $30 · register ↗
Wed 11/11Honor Our Veterans 5kWestport, CT · 5K · 2 Mile · from $35 · register ↗
Fri 11/13A Good Run 5KNew Haven, CT · 5K · from $25 · register ↗
Sat 11/14Electric Boat Athletic Club (EBAC) Fall ChallengeNew London, CT · 4.8 Miles · 5K · from $30 · registration closed · register ↗
Sat 11/14Great Lawn Backyard UltraNorwalk, CT · Timed · register ↗
Sat 11/14Hillacious Half MarathonLitchfield, CT · Half Marathon · 6.5 Miles · 4 Miles · from $50 · register ↗
Sat 11/14Hot COCO 5KCheshire, CT · 5K · 0.5 Miles · 1 Mile · from $10 · register ↗
Sat 11/14Roxbury Fall ClassicRoxbury, CT · Half Marathon · Marathon · 50K · from $50 · register ↗
Sun 11/15EDRRC - 8th Annual Schaghticoke 8.5 MilerKent, CT · 8.5 Miles · from $30 · register ↗
Sun 11/15Tarrywile Half MarathonDanbury, CT · Marathon · Half Marathon · 10K · register ↗
Sat 11/21Fall Fling 400Southington, CT · 4 Miles · register ↗
Sat 11/21Gingerbread Dash 5KCanterbury, CT · 5K · from $25 · register ↗
Sat 11/21Roxbury Road Race Series #35Roxbury, CT · 4.2 Miles · Road · from $10 · register ↗
Sat 11/21Storybook Half MarathonStratford, CT · Half Marathon · registration closed · register ↗
Sat 11/21Turkey Can CanSterling, CT · 2 Mile · from $25 · register ↗
Sat 11/21Waterford High School 14th Annual 5K Turkey TrotWaterford, CT · 5K · from $40 · register ↗
Sun 11/22Annual Kiwanis Turkey Trot Road RaceWallingford, CT · 5 Miles · 3.5 Miles · Road · from $30 · register ↗
Sun 11/22Brooksvale Trails Turkey TrotHamden, CT · 10K · 5K · Trail · register ↗
Sun 11/22Hartford Track Club 8K Cross-Country ChallengeWest Hartford, CT · 8K · from $25 · registration closed · register ↗
Sun 11/22Run for the Turkeys 5K Road RaceNew Fairfield, CT · 5K · Road · from $25 · register ↗
Sun 11/22Stride for the Knights 5KSouthington, CT · 5K · register ↗
Thu 11/262026 Shoreline Turkey Trot 5KWest Haven, CT · 5K · register ↗
Thu 11/262026 Southbury Turkey Trot 5K & Kids Fun RunSouthbury, CT · 5K · from $10 · register ↗
Thu 11/26Bethel Turkey TrotBethel, CT · 5K · from $25 · register ↗
Thu 11/26Branford Thanksgiving 5KBranford, CT · 5K · 0.5 Miles · 2 Mile · from $10 · register ↗
Thu 11/26Commodore Hull Thanksgiving Day 5k Road RaceShelton, CT · 5K · Road · from $35 · register ↗
Thu 11/26Falcon 5K Turkey TrotAvon, CT · 5K · from $35 · registration closed · register ↗
Thu 11/26Newtown Turkey TrotNewtown, CT · 5K · 2.5K · from $25 · register ↗
Thu 11/26Pequot Runners Thanksgiving Day RaceSouthport, CT · 5 Miles · 2.6 Miles · from $32 · registration closed · register ↗
Thu 11/26Powerhouse Thanksgiving Road RaceBerlin, CT · 5K · Road · from $20 · registration closed · register ↗
Thu 11/26Roxbury Thanksgiving Day Charity RaceRoxbury, CT · 5K · from $10 · register ↗
Thu 11/26Run Turkey Run! Thanksgiving Day 5KHamden, CT · 5K · from $35 · register ↗
Thu 11/26Soul n Body Thanksgiving Trail RunWolcott, CT · 3.5 Miles · Trail · from $25 · register ↗
Thu 11/26Stratford Turkey Day TrotStratford, CT · 5K · from $34 · register ↗
Thu 11/26The Joyce Allen Great Turkey EscapeRedding, CT · 5K · 1 Mile · from $30 · register ↗
Sat 11/28Greenwich Alliance Turkey Trot 5K, 1 Mile & Mini-TrotGreenwich, CT · 5K · 1 Mile · from $20 · registration closed · register ↗
Sat 11/28Roxbury Road Race Series #36Roxbury, CT · 6.4 Miles · Road · from $10 · register ↗
Sat 11/28The ODO Gobbler Run & RuckSouth Glastonbury, CT · 5K · 5 Miles · 1 Mile · from $15 · register ↗
Mon 11/30Niantic Jingle 5kNiantic, CT · 5K · from $25 · register ↗

December 2026

Sat 12/52026 Jingle Bell Run - ConnecticutNorth Haven, CT · 5K · from $25 · register ↗
Sat 12/5Make It Amazing: Marathon 20Trumbull, CT · registration closed · register ↗
Sat 12/5Norwich Winterfest 5KNorwich, CT · 5K · registration closed · register ↗
Sat 12/5Santa Made Me Do ItBethlehem, CT · 5K · 2 Mile · from $30 · register ↗
Sat 12/5Tinsel Fun RunBerlin, CT · 2 Mile · from $35 · register ↗
Sat 12/5Tower Tag ChallengeHamden, CT · 8 Hour · 4 Hour · register ↗
Sun 12/6CLA Blue Back Mitten RunWest Hartford, CT · 5K · registration closed · register ↗
Sun 12/6Christopher Martin's Christmas Run for ChildrenNew Haven, CT · 5K · from $36 · register ↗
Sat 12/122025 Norwalk Jingle Bell 5KNorwalk, CT · 5K · from $35 · register ↗
Sat 12/126th Annual Roseland Park Christmas Run 5K & Kids Fun RunWoodstock, CT · 0.5 Miles · 5K · 5 Miles · from $15 · register ↗
Sun 12/13Feeding 500 Holiday HustleWilton, CT · 5K · from $30 · registration closed · register ↗
Sun 12/13The Holiday Run & Walk For ToysStratford, CT · 5K · from $15 · register ↗
Sat 12/19Frosty Forest 5kStratford, CT · 5K · Trail · registration closed · register ↗
Sat 12/19New Canaan Santa RunNew Canaan, CT · 5K · 1 Mile · from $30 · registration closed · register ↗
Fri 12/25The Scrooge Scramble 5K - Rails to Trails - VernonVernon Rockville, CT · 5K · Trail · from $25 · register ↗
Thu 12/31Roxbury Road Race Series Season PassRoxbury, CT · Road · from $45 · register ↗

January 2027

Fri 1/1Brookfield Lions Run for Sight 4-MilerBrookfield, CT · 4 Miles · from $30 · register ↗
Sat 1/9Kelley's Pace FrostbiteMystic, CT · 5 Miles · from $33 · register ↗
Sun 1/10HTC Winter Series Barkhamsted 8.5/17 mile Registration opens 11/23/2026Barkhamsted, CT · 17 Mile · registration closed · register ↗
Sun 1/31Winter Wonderland 5 MilerMilford, CT · 5 Miles · 2 Mile · from $20 · registration closed · register ↗

February 2027

Sun 2/14IRIS Run for RefugeesNew Haven, CT · 5K · from $34 · register ↗
Sat 2/27Kelley's Pace Hare Hop 5KMystic, CT · 5K · from $32 · register ↗
Sun 2/2842nd Annual Lake Waramaug Polar Bear RunWarren, CT · 7.8 Miles · from $36 · registration closed · register ↗

March 2027

Sun 3/799.1 PLR *Shamrock and Roll 5K*New Haven, CT · 5K · from $30 · register ↗
Sat 3/13Catch A Leprechaun 5KEssex, CT · 5K · from $33 · registration closed · register ↗
Sat 3/20Enchanted Forest Ultra RunStratford, CT · 6 Hour · Trail · register ↗
Fri 3/26LivFree 24 Hour Hockey Marathon - SHUFairfield, CT · from $50 · register ↗
Sun 3/28Northern Nipmuck Trail RaceUnion, CT · 16 Miles · Trail · register ↗

April 2027

Sun 4/4Sleeping Giant Trail RunsHamden, CT · 50K · 25K · Trail · register ↗
Sat 4/10CT123 (200K)East Thompson, CT · 200K · 100K · register ↗
Sun 4/11Ion Bank Cheshire Road RacesCheshire, CT · Half Marathon · 5K · 0.5 Miles · from $10 · register ↗
Sat 4/17Traprock 50Bloomfield, CT · 50K · 17K · register ↗
Sun 4/18Stamford Run Club 5k/10k/Half Marathon 2026Stamford, CT · Half Marathon · registration closed · register ↗
Sat 4/24Lake Mohegan Trail RaceFairfield, CT · 10K · 5K · 4 Hour · Trail · register ↗
Sun 4/25Jack Bristol Lake Waramaug Ultra RacesKent, CT · 100K · 50 Mile · 50K · register ↗
Sun 4/25Minute Man RaceWestport, CT · 10K · 5K · 1K · from $10 · register ↗

May 2027

Sat 5/12027 Granby Road RaceGranby, CT · 5K · 10K · 1 Mile · Road · from $40 · registration closed · register ↗
Sat 5/1Brew RunNew London, CT · 5K · 1 Mile · from $20 · register ↗
Sat 5/153rd Annual Camp Mountain Laurel - Color Run & Trail RunHamden, CT · Trail · from $10 · registration closed · register ↗
Sat 5/15Forgotten Forest Ultra RunStratford, CT · 9 Hour · Trail · register ↗
Sat 5/15RESERVOIR RUSHMoodus, CT · 5K · from $10 · registration closed · register ↗
Sun 5/162026 Rossiter Run 5K Race and Fun Run/WalkWashington Depot, CT · 5K · from $5 · registration closed · register ↗
Fri 5/21Moonlight 5KNew Milford, CT · 5K · from $35 · register ↗
Sat 5/22Run Ragged Last Person StandingBerlin, CT · Timed · register ↗
Sun 5/30Marlborough Lions Club Round The Lake 5KMarlborough, CT · 5K · from $25 · registration closed · register ↗

June 2027

Sat 6/5Woodland Ramble Trail RunMystic, CT · 5K · Trail · from $31 · register ↗
Mon 6/72027 New England Series - Day 1 (CT)Simsbury, CT · register ↗
Sun 6/13Litchfield Hills Road RaceLitchfield, CT · 7 Miles · Road · from $50 · registration closed · register ↗
Thu 6/24Centurion Ultra Trail EventStratford, CT · 72 Hour · Trail · register ↗

July 2027

Sat 7/10Litchfield Hills TriathlonNew Hartford, CT · 50K · 25 Miles · from $99 · register ↗

August 2027

Mon 8/9Step Up for the BraveFairfield, CT · from $40 · register ↗
Sat 8/2118th Annual Saybrook Point 5k Road RaceOld Saybrook, CT · 5K · Road · from $30 · registration closed · register ↗

Planning a race

Getting inlotteries, qualifiers, and how entry works for the races that sell out
Lottery watchwhich race lotteries and registration windows are open right now
Choosing a first marathona practical guide to picking a debut race

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