5K races in Connecticut, United States — 2026 running calendar

Heart of Eastford 5K

Eastford, Connecticut, United States

06 Jun, 2026 (Sat)

$50.00

Running

5K

UConn Health Half Marathon

Simsbury, Connecticut, United States

06 Jun, 2026 (Sat)

Running

Half-Marathon 10K 5K

Hamden Fest Half Marathon & 5k

Hamden, Connecticut, United States

06 Jun, 2026 (Sat)

$40.00 - $120.00

Running

Half-Marathon 5K

Run the Race 5K

Danbury, Connecticut, United States

06 Jun, 2026 (Sat)

$35.00

Running

5K

SongStrong 5K

Guilford, Connecticut, United States

06 Jun, 2026 (Sat)

$30.00 - $35.00

Running

5K

Athletic Brewing Company Fairfield Road Races

Fairfield, Connecticut, United States

06 Jun, 2026 (Sat) – 07 Jun, 2026

$12.00 - $105.00

Running

5K 26.1K 1.6K 0.8K +1

America’s 250th – Greenwich Community 5K & Fun Mile (1 Mile)

Greenwich, Connecticut, United States

06 Jun, 2026 (Sat)

$10.00 - $40.00

Running

5K 1.6K

O'Neill's 5K

Norwalk, Connecticut, United States

07 Jun, 2026 (Sun)

$40.00 - $45.00

Running

4.2K 5K 1.6K

Hat City Dash

Danbury, Connecticut, United States

07 Jun, 2026 (Sun)

$45.00

Running

5K

Celebrate! West Hartford FUNd RUNS

West Hartford, Connecticut, United States

07 Jun, 2026 (Sun)

$5.00 - $35.00

Running

1K 5K

East Hampton Rotary .5K

East Hampton, Connecticut, United States

07 Jun, 2026 (Sun)

Free - $35.00

Running

5K Ultra

The 25th Annual Laura's Garden Community Run

Wethersfield, Connecticut, United States

07 Jun, 2026 (Sun)

$25.00

Running

5K 3K