Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K
Hartford, CT
MarathonHalf Marathon+1Prize money
Closes Oct 9
Half Marathons in Connecticut
As of October 6, 2026, Crewable lists 10 upcoming half marathons in Connecticut from October 2026 to November 2026. The next is Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K on October 10 in Hartford. Registration is open for 8. 2 advertise prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
6 racesThe Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and The Iris Fund 5K
Ridgefield, CTHalf Marathon7 mi+1Open until Oct 18from $39.50Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll
WESTON, CTHalf Marathon5KOpen until Oct 25from $15
November 2026
4 racesTarrywile Half Marathon
Danbury, CT3,000 ft gainMarathonHalf Marathon+1Prize moneyOpen until Nov 14from $50
Quick answers
What is the next half marathon in Connecticut?
Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K, on Saturday, October 10, 2026, in Hartford. Distances: Marathon, Half Marathon, 5K.
How many half marathons in Connecticut have open registration?
8 of the 10 list registration as open as of October 6, 2026, including Mohawk Mountain Race, HSS Greenwich Half Marathon and The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and The Iris Fund 5K.
Which half marathons in Connecticut offer prize money?
2 races advertise prize money.
What is the busiest month for half marathons in Connecticut?
October 2026, with 6 of the 10. November 2026 follows with 4.
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