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Races in Connecticut - September 2026

Browse 43+ upcoming races in Connecticut for September 2026.

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Races in Connecticut - September 2026

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Sterling House Down and Dirty 5K

Sep 5, 2026
Stratford, CT
5K
79°
63°
12%

Westport Road Runners Summer Series

Sep 5, 2026
Westport, CT
10M
79°
63°
12%

Run for The Hills

Sep 5, 2026
Niantic, CT
5K
77°
60°
10%

Black Hog Brewing Co. 5K

Sep 5, 2026
Oxford, CT
5K
79°
57°
12%

Roxbury Road Race Series #25

Sep 5, 2026
Roxbury, CT
1M
78°
56°
12%

Faxon Law New Haven Road Race

Sep 7, 2026
New Haven, CT
13.1M12.4M5K0.5M
78°
61°
11%

New Haven Road Race

Sep 7, 2026
New Haven, CT
13.1M13.1M12.4M5K
78°
61°
11%

Snow Mountain Ranch Trail Festival

Sep 12, 2026
Granby, CT
31.1M26.2M20.5M13.1M10K5K
78°
56°
13%

Groton City Brew Run

Sep 12, 2026
Groton, CT
5K0.9M
75°
59°
10%

Roxbury Road Race Series #26

Sep 12, 2026
Roxbury, CT
6.4M
76°
54°
11%

Snow Mountain Ranch

Sep 12, 2026
Granby, CT
31.1M20.5M1/2 Marathon10K5K
78°
56°
13%

4 Town 5k

Sep 12, 2026
Somers, CT
5K
78°
56°
13%

Gulf Beach Half Marathon

Sep 12, 2026
Milford, CT
13.1M
77°
62°
12%

West Haven Community House 85th Anniversary Community Fun Walk

Sep 13, 2026
West Haven, CT
2M
77°
59°
11%

Macedonia Trail Race

Sep 13, 2026
Kent, CT
31.1M15.5M7.5M
75°
52°
12%

West Haven Community House 85th Anniversary Community Walk

Sep 13, 2026
West Haven, CT
2M
77°
59°
11%

Bound for the Sound

Sep 19, 2026
Old Lyme, CT
10K5K1M
73°
57°
9%

Roxbury Road Race Series #27

Sep 19, 2026
Roxbury, CT
4.3M
74°
52°
11%

Outrun Addiction 5K

Sep 19, 2026
Enfield, CT
5K
76°
54°
13%

Arc Run

Sep 19, 2026
Meriden, CT
10K
75°
53°
13%