Running Race Calendar in Connecticut, United States

Kelley's Pace Frostbite

Mystic, Connecticut, United States

09 Jan, 2027 (Sat)

$33.00

Running

8K

Winter Wonderland 5 Miler

Milford, Connecticut, United States

31 Jan, 2027 (Sun)

$20.00

Running

8K 3.2K

99.1 PLR *Shamrock and Roll 5K*

New Haven, Connecticut, United States

07 Mar, 2027 (Sun)

$30.00

Running

5K

Catch A Leprechaun 5K

Essex, Connecticut, United States

13 Mar, 2027 (Sat)

$33.00

Running

5K

Stamford Run Club 5k/10k/Half Marathon 2026

Stamford, Connecticut, United States

18 Apr, 2027 (Sun)

Running

5K

IronHike Mohawk Mountain Spring 2026

Cornwall, Connecticut, United States

04 Jun, 2026 (Thu) – 07 Jun, 2026

Trail running, Running

Ultra 46.7K 24.1K 46.3K +13

Worthington Early Summer 5k Running Series

Somers, Connecticut, United States

03 Jun, 2026 (Wed) – 01 Jul, 2026

Free

Running

5K +1

Belltown Spring Sprint 2M Run & Walk, Kids Run

East Hampton, Connecticut, United States

02 Jun, 2026 (Tue)

Running, Walking

3.2K 0.5K

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

Run the Vineyards - Jonathan Edwards 5K

North Stonington, Connecticut, United States

31 May, 2026 (Sun)

Running

5K

Glastonbury Education Foundation 5K Run/Walk (GEF5K)

Glastonbury, Connecticut, United States

31 May, 2026 (Sun)

Running

5K

17th Annual Barkhamsted River Run 5K

Barkhamsted, Connecticut, United States

31 May, 2026 (Sun)

Running

1.6K 5K