Half Marathon Races in Connecticut
Find upcoming half marathon races in Connecticut — with dates, locations, and direct registration links.
17 upcoming half marathon races found in Connecticut
Upcoming Half Marathon Races in Connecticut
Eversource Hartford Marathon+2
Oct 10
Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K
Sat, October 10, 2026
Hartford, CT
Hillacious Half Marathon+2
Nov 14
Hillacious Half Marathon
Sat, November 14, 2026
Litchfield, CT
Ridgefield Road Fest Half-Marathon+5
Oct 18
The Ridgefield Road Fest 50th ANNIVERSARY: 1/2 Marathon, 7-Miler, & Iris Fund 5K
Sun, October 18, 2026
Ridgefield, CT
The Reservoir Run Races Half Marathon+2
Oct 25
The Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll
Sun, October 25, 2026
WESTON, CT
Half Marathon+2
Oct 11
Mohawk Mountain Race Marathon, Half Marathon, 10k & 5k
Sun, October 11, 2026
Cornwall, CT
5K Trail Race+2
Oct 4
Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge
Sun, October 4, 2026
Norfolk, CT
Stamford Run Club 5k/10k/Half Marathon
Apr 18
Stamford Run Club 5k/10k/Half Marathon 2026
Sun, April 18, 2027
Stamford, CT
