Upcoming Half Marathons in Connecticut

Endurance Grid lists fourteen half marathons in Connecticut, from September 2026 to April 2027 across 14 cities.

14
Races
14
Cities
8
Sports

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Running races in Connecticut

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Frequently Asked Questions

How many half marathons are in Connecticut?
Endurance Grid's Race Calendar lists 14 upcoming half marathons in Connecticut, in 14 cities, from September 2026 to April 2027.
How long is a half marathon?
A half marathon is a running race where athletes run 13.1 miles long (21.1 kilometers) for time.
Which Connecticut cities host half marathons?
Half marathons in Connecticut are held in Cheshire, Colebrook, Hartford, Hebron, Litchfield, New Haven, Norfolk, Northeast, Norwalk, and Old Greenwich, plus 4 other cities.
What other race distances are available in Connecticut?
Beyond half marathon, Connecticut races cover a wide range of distances. Connecticut also has 5Ks, 10Ks, and marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with aquabike, road cycling, paddle, running, swimming, trail running, triathlon, and ultra races of various distances.