Connecticut Half Marathon Calendar 2025-2026

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Explore the best half marathons in Connecticut for 2025-2026! Our updated list features 19 exciting races across the state. Find your next race in Connecticut below and join the running community at these great events!

February 2025
Feb
2
Sunday

Copper Hill Road Run

6 mi 13 mi
March 2025
Mar
29
Saturday

Savin Rock Marathon

13 mi 26 mi
Mar
30
Sunday

Steam Train Half Marathon

13 mi
April 2025
Apr
13
Sunday

Cheshire Road Race

5 km 13 mi
May 2025
May
18
Sunday

Mystic Half Marathon

10 km 13 mi
May
25
Sunday

Mine Hill Half Marathon

Trail Run 13 mi
May - Jun
31-1
Sa - Su

Fairfield Road Races

5 km 13 mi
June 2025
Jun
7
Saturday

UConn Health Half Marathon

5 km 10 km 21 km
Jun
14
Saturday

Hamden Fest Half Marathon

5 km 13 mi
August 2025
Aug
2
Saturday

John & Jessie Kelley Half Marathon

13 mi
September 2025
Sep
1
Monday

Faxon Law New Haven Road Race

5 km 20 km 13 mi
Sep
7
Sunday

Surftown Half Marathon

5 km 13 mi
Sep
13
Saturday

Gulf Beach Half Marathon

13 mi
Sep
21
Sunday

Angevine Farm Trail Festival

Trail Run 5 km 13 mi 8 hr
October 2025
Oct
5
Sunday

SoNo Half Marathon

5 km 13 mi
Oct
11
Saturday

Hartford Marathon

5 km 13 mi 26 mi
Oct
12
Sunday

Mohawk Mountain Race

Trail Run 5 km 10 km 13 mi 26 mi
November 2025
Nov
2
Sunday

Tarrywile Half Marathon

Trail Run 10 km 13 mi 26 mi
Nov
15
Saturday

Hillacious Half Marathon

4 mi 13 mi
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