Connecticut Half Marathons
20 upcoming half marathons across Connecticut, updated nightly. Want radius search and maps? Open these in the Race Finder.
August 2026
- Sat 8/164th Annual Ocean Beach/John & Jessie Kelley Half MarathonNew London, CT 路 Half Marathon
- Sun 8/30Newtown Community Running EventNewtown, CT 路 5K 路 10K 路 Half Marathon
September 2026
- Mon 9/7Faxon Law New Haven Road RaceNew Haven, CT 路 Half Marathon 路 5K 路 Other
- Sat 9/122026 Dave Parcells Madison TriathlonMadison, CT 路 Other 路 Half Marathon
- Sat 9/122026 Gulf Beach Half MarathonMilford, CT 路 Half Marathon
- Sat 9/26Hogsback Half MarathonColebrook, CT 路 Half Marathon
- Sun 9/27HSS Greenwich Half MarathonOld Greenwich, CT 路 Half Marathon
October 2026
- Sun 10/4Garavel SoNo Half Marathon | 5KNorwalk, CT 路 Half Marathon 路 5K 路 1 Mile
- Sun 10/4Norfolk Land Trust Trail Race Series/Haystack Mountain ChallengeNorfolk, CT 路 5K 路 10K 路 Half Marathon
- Sat 10/10Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford, CT 路 Marathon 路 Half Marathon 路 5K
- Sun 10/11Mohawk Mountain RaceCornwall, CT 路 Marathon 路 Half Marathon 路 10K 路 5K
- Sat 10/17Tackle the Trail (TM)Northeast, CT 路 Marathon 路 Half Marathon 路 10K
- Sun 10/18The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and Iris Fund 5KRidgefield, CT 路 Half Marathon 路 Other 路 5K
- Sun 10/25Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family StrollWESTON, CT 路 Half Marathon 路 5K 路 Other
November 2026
- Sat 11/14Roxbury Fall ClassicRoxbury, CT 路 Half Marathon 路 Marathon 路 50K
- Sat 11/14Hillacious Half MarathonLitchfield, CT 路 Half Marathon 路 10K 路 Other
- Sun 11/15Tarrywile Half MarathonDanbury, CT 路 Marathon 路 Half Marathon 路 10K
- Sat 11/21Storybook Half MarathonStratford, CT 路 Half Marathon
April 2027
- Sun 4/11Ion Bank Cheshire Road RacesCheshire, CT 路 Half Marathon 路 5K 路 Other
- Sun 4/18Stamford Run Club 5k/10k/Half Marathon 2026Stamford, CT 路 Half Marathon
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