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Connecticut Half Marathon Calendar 2025-2026

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Explore the best half marathons in Connecticut for 2025-2026! Our updated list features 10 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!

October 2025
Oct
26
Sunday

The Reservoir Run Half Marathon

5 km Half Marathon
November 2025
Nov
1
Saturday

Airline Trail Ghost Run

13 mi
Nov
8
Saturday

Roxbury Marathon

Half Marathon Marathon 50 km
Nov
15
Saturday

Hillacious Half Marathon

4 mi 13 mi
Nov
16
Sunday

Tarrywile Half Marathon

Trail Run 10 km Half Marathon Marathon
March 2026
Mar
28
Saturday

Savin Rock Marathon

Half Marathon Marathon
April 2026
Apr
12
Sunday

Cheshire Road Race

5 km 13 mi
June 2026
Jun
6-7
Sa - Su

Fairfield Road Races

5 km Half Marathon
September 2026
Sep
7
Monday

Faxon Law New Haven Road Race

5 km 20 km Half Marathon
November 2026
Nov
21
Saturday

Storybook Half Marathon

Trail Run 13 mi
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