Marathons in Connecticut 2026-2027

5 marathons and 13 half marathons coming up in Connecticut, by date. Rated races show how many minutes the course adds or saves against an average road race, from its climbing, surface and typical race-day weather.

Marathons in Connecticut (5)

Nov 2026

14 Nov 2026 Roxbury Marathon, Roxbury, Connecticut

Apr 2027

3 Apr 2027 Savin Rock Marathon, West Haven, Connecticut

May 2027

30 May 2027 Nutmeg State Marathon, Hartford, Connecticut

Oct 2027

Hartford Marathon

Hartford, Connecticut

10 Oct 2027Road230m gainFull

3 Oct 2027 Nip Muck Trail Marathon, Ashford, Connecticut

Half marathons in Connecticut (13)

Nov 2026

14 Nov 2026 Hillacious Half Marathon, Litchfield, Connecticut
21 Nov 2026 Storybook Half Marathon, Stratford, Connecticut

Mar 2027

Cheshire Half Marathon

Cheshire, Connecticut

21 Mar 2027Road119m gainHalf

May 2027

16 May 2027 Mystic Half Marathon & 10K, Mystic, Connecticut

June 2027

6 June 2027 Iron Hike - Spring Kuwohi Trail Half Marathon Plus - 15 Miles, Cornwall, Connecticut
6 June 2027 Hamden Fest Half Marathon & 5k, Hamden, Connecticut
6 June 2027 UConn Health Half Marathon, Simsbury, Connecticut

Aug 2027

1 Aug 2027 Ocean Beach/John & Jessie Kelley Half Marathon, New London, Connecticut

Sept 2027

26 Sept 2027 Hogsback Half Marathon, Colebrook, Connecticut

Oct 2027

Hartford Half Marathon

Hartford, Connecticut

9 Oct 2027Road134m gainHalf

3 Oct 2027 Garavel SoNo Half Marathon, Norwalk, Connecticut
3 Oct 2027 Iron Hike - Fall Kuwohi Trail Half Marathon Plus - 15 Miles, Cornwall, Connecticut
24 Oct 2027 Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll, WESTON, Connecticut

Marathons in Connecticut at a glance

Busiest month: Oct 2027, with 6 races.
Coolest race day on average: Savin Rock Marathon (Apr 2027, a typical high of 11°C). Warmest: Iron Hike - Spring Kuwohi Trail Half Marathon Plus - 15 Miles (June 2027, 27°C).