Connecticut close

Connecticut Half Marathon Calendar 2026-2027

Header image
Monthly updates for Connecticut

Get new running races (and updates) in your inbox every month.

Explore the best half marathons in Connecticut for 2026-2027! Our updated list features 20 exciting races across the region. Find your next race in Connecticut below and join the running community at these great events!

February 2026
Feb
1
Su

Copper Hill Road Run

7 mi 13 mi
March 2026
Mar
28
Sa

Savin Rock Marathon

13 mi 26 mi
April 2026
Apr
12
Su

Cheshire Road Race

5 km Half Marathon
Apr
19
Su

SRC Half Marathon

5 km 10 km Half Marathon
May 2026
May
17
Su

Soapstone Mountain Trail Races

Trail Run 6 km Half Marathon
May
17
Su

Mystic Half Marathon

6 mi 13 mi
May
23
Sa

Hamden Hills Half Marathon & Flat 5K

5 km Half Marathon
May
24
Su

Mine Hill Half Marathon

Trail Run Half Marathon
June 2026
Jun
6-7
Sa - Su

Fairfield Road Races

5 km 13 mi 16 mi
Jun
6
Sa

Hamden Fest Half Marathon

5 km Half Marathon
August 2026
Aug
1
Sa

John & Jessie Kelley Half Marathon

Half Marathon
September 2026
Sep
7
Mo

Faxon Law New Haven Road Race

5 km 20 km Half Marathon
Sep
12
Sa

Gulf Beach Half Marathon

13 mi
October 2026
Oct
4
Su

SoNo Half Marathon

5 km Half Marathon
Oct
11
Su

Mohawk Mountain Race

Trail Run 5 km 10 km 13 mi 26 mi
Oct
17
Sa

Tackle the Trail - Pomfret, CT

Trail Run 10 km Half Marathon Marathon
Oct
18
Su

Ridgefield Road Fest

5 km 7 mi 13 mi
November 2026
Nov
14
Sa

Hillacious Half Marathon

4 mi 13 mi
Nov
15
Su

Tarrywile Half Marathon

Trail Run 10 km Half Marathon Marathon
Nov
21
Sa

Storybook Half Marathon

Trail Run 13 mi