Connecticut Half Marathon Calendar 2025-2026

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Explore the best half marathons in Connecticut for 2025-2026! Our updated list features 17 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!

May 2025
May
18
Sunday

Mystic Half Marathon

10 km 13 mi
May
24
Saturday

Hamden Hills Half Marathon & Flat 5K

5 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 13 mi
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
13
Saturday

Gulf Beach Half Marathon

13 mi
Sep
13
Saturday

Storybook Half Marathon

Trail Run 13 mi
Sep
21
Sunday

Angevine Farm Trail Festival

Trail Run 5 km 13 mi 8 hr
October 2025
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
Oct
18
Saturday

Tackle the Trail - Pomfret, CT

Trail Run 10 km 13 mi 26 mi
November 2025
Nov
15
Saturday

Hillacious Half Marathon

4 mi 13 mi
Nov
16
Sunday

Tarrywile Half Marathon

Trail Run 10 km 13 mi 26 mi
March 2026
Mar
28
Saturday

Savin Rock Marathon

13 mi 26 mi
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