Marathons in Connecticut

Connecticut has 2 upcoming Marathons. The marathon is the benchmark endurance event — 26.2 miles of grit, pacing, and finish-line emotion that draws runners back year after year.

2 upcoming races listed

Fun races Scenic races Competitive races Quirky races Festive races For a Cause races Beginner-friendly

Woodstock CT Marathon & Relay

Conquer a challenging, scenic marathon or relay through rural CT, celebrate with an 80s theme, and support local food access.

Fun
Scenic
Competitive
Quirky
Festive

Sat, May 2, 2026, 8:00 AM EDT26.2 MilesWoodstock, CT

Push PotentialRUN

Course · Hilly · Timed race

Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

Join the Eversource Hartford Marathon for a day of running in Hartford, CT, featuring a marathon, half, relay, and a special Charity 5K.

For a Cause

Sat, Oct 10, 2026, 8:00 AM EDT26.2 MilesHartford, CT

Steady EffortRUN

Course · Rolling · Timed race

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More Marathon races

All races in Connecticut Marathons in Roxbury, CT Marathons in Milford, CT Marathons in Meriden, CT Marathons in Hamden, CT Marathons in New Haven, CT Marathons in Stratford, CT Marathons in Danbury, CT Marathons in Hartford, CT Marathons in Cornwall, CT Marathons in Wallingford, CT Marathons in Brookfield, CT Marathons in West Hartford, CT Marathons in Newtown, CT Marathons in Stamford, CT Marathons in Bethel, CT

Other distances in Connecticut

5Ks in Connecticut 10Ks in Connecticut Half Marathons in Connecticut