10K races in Connecticut, United States — 2026 running calendar

Suffield Parks & Recreation Road Race

Suffield, Connecticut, United States

12 Sep, 2026 (Sat)

Free - $35.00

Running, Walking

10K 5K 2.5K Kid's Fun Run

Roxbury Road Race Series #26

Roxbury, Connecticut, United States

12 Sep, 2026 (Sat)

$10.00

Running

10.3K

Montville Race Day 5K , 10K , and Color Run

Oakdale, Connecticut, United States

13 Sep, 2026 (Sun)

$30.00 - $45.00

Running

5K 10K

Arc Run

Meriden, Connecticut, United States

19 Sep, 2026 (Sat)

$20.00 - $35.00

Running

10K 5K

Bound for the Sound

Old Lyme, Connecticut, United States

19 Sep, 2026 (Sat)

$5.00 - $27.50

Running

5K 10K 1.6K

The River Run

Simsbury, Connecticut, United States

26 Sep, 2026 (Sat) – 10 Oct, 2026

Free - $45.00

Running

8K 3.2K 2K 5K +2

Moosup Valley 5k, 8K and 10K All Trail Race

Moosup, Connecticut, United States

27 Sep, 2026 (Sun)

$49.00

Running

5K 10K

Abner Oakes III Veterans Run 5K & 10K

Hamden, Connecticut, United States

25 Oct, 2026 (Sun)

$30.00 - $50.00

Running

5K 10K 1.6K

Husky Run & Ruck 10K, 5K and Fitness Walk

Storrs, Connecticut, United States

08 Nov, 2026 (Sun)

Running, Walking

10K 5K 1.6K

Hillacious Half Marathon

Litchfield, Connecticut, United States

14 Nov, 2026 (Sat)

$50.00 - $60.00

Running

Half-Marathon 10.5K 6.4K

Roxbury Road Race Series #36

Roxbury, Connecticut, United States

28 Nov, 2026 (Sat)

$10.00

Running

10.3K

Summer Cross Country Series

New Canaan, Connecticut, United States

02 Jun, 2026 (Tue) – 01 Sep, 2026

Free

Running

4.3K 4.6K 4.4K 4.8K +10