Connecticut Half Marathons
15 upcoming half marathons across Connecticut, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: half marathons in Connecticut
Connecticut has 15 upcoming half marathons over the next 12 months. Among complete calendar months, November 2026 has the most listed races, with 5. Most are around West Haven, WESTON, Hebron. The next one is Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll on October 25 in WESTON.
- Oct 20261 race
- Nov 20265 races
- Apr 20274 races
- May 20271 race
- Jun 20271 race
- Sep 20272 races
- Oct 20271 race
October 2026
- Sun 10/25Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family StrollWESTON, CT · Half Marathon · 5K · 1K · from $15 · register ↗
November 2026
- Sat 11/7Air Line Trail Ghost RunHebron, CT · Half Marathon · Trail · from $50 · register ↗
- Sat 11/14Hillacious Half MarathonLitchfield, CT · Half Marathon · 6.5 Miles · 4 Miles · from $50 · register ↗
- Sat 11/14Roxbury Fall ClassicRoxbury, CT · Half Marathon · Marathon · 50K · from $50 · register ↗
- Sun 11/15Tarrywile Half MarathonDanbury, CT · Marathon · Half Marathon · 10K · register ↗
- Sat 11/21Storybook Half MarathonStratford, CT · Half Marathon · registration closed · register ↗
April 2027
- Sat 4/32027 Savin Rock Marathon & Half MarathonWest Haven, CT · Half Marathon · register ↗
- Sat 4/32027 Shoreline Sharks 3 Half Marathon TicketWest Haven, CT · Half Marathon · register ↗
- Sun 4/11Ion Bank Cheshire Road RacesCheshire, CT · Half Marathon · 5K · 0.5 Miles · from $10 · register ↗
- Sun 4/18Stamford Run Club 5k/10k/Half Marathon 2026Stamford, CT · Half Marathon · registration closed · register ↗
May 2027
- Sat 5/292027 Hamden Hills Half Marathon & Flat 5KHamden, CT · Half Marathon · 5K · register ↗
June 2027
- Sat 6/5Athletic Brewing Company Fairfield Road RacesFairfield, CT · Half Marathon · 5K · 16.2 Miles · 1 Mile · 0.5 Miles · from $10 · register ↗
September 2027
- Mon 9/6Faxon Law New Haven Road RaceNew Haven, CT · Half Marathon · 20K · 5K · 0.5 Miles · Road · from $8 · register ↗
- Sat 9/182027 Gulf Beach Half MarathonMilford, CT · Half Marathon · register ↗
October 2027
- Sun 10/3Garavel SoNo Half Marathon | 5KNorwalk, CT · Half Marathon · 5K · 1 Mile · from $25 · registration closed · register ↗
Planning a race
- Choosing a first marathonmoving up from the half, and picking a debut race
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