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

2026 Unite to Fight 5K Run/Walk

Stamford, Connecticut, United States

23 Aug, 2026 (Sun)

$35.00 - $40.00

Running

5K

Old Wethersfield 5K & 10K

Wethersfield, Connecticut, United States

23 Aug, 2026 (Sun)

Running

10K 5K

Newtown Community Running Event

Newtown, Connecticut, United States

30 Aug, 2026 (Sun)

$40.00 - $80.00

Running

5K 10K Half-Marathon

Edrrc - High Watch Recovery Center's Sprint for Sobriety 5K Run/Walk

Kent, Connecticut, United States

30 Aug, 2026 (Sun)

$25.00

Running

5K

Be Happy Road Race

Ellington, Connecticut, United States

30 Aug, 2026 (Sun)

$20.00 - $80.00

Running

1K 5K 10K 36.1K +2

Lobster Loop 5K

Canton, Connecticut, United States

30 Aug, 2026 (Sun)

$30.00

Running

5K

Black Hog Brewing Co. 5K Road Race

Oxford, Connecticut, United States

05 Sep, 2026 (Sat)

$30.00

Running

5K

50th Annual Sao Paio 5k road race/walk and fun run

Naugatuck, Connecticut, United States

05 Sep, 2026 (Sat)

$30.00

Running

5K

Haddam Neck Fair 5K

Haddam, Connecticut, United States

06 Sep, 2026 (Sun)

$18.00

Running

5K

Faxon Law New Haven Road Race

New Haven, Connecticut, United States

07 Sep, 2026 (Mon)

$10.00 - $82.00

Running

Half-Marathon 20K 5K 0.8K +1

Groton City Brew Run

Groton, Connecticut, United States

12 Sep, 2026 (Sat)

Free - $44.00

Running

5K 1.5K

4 Town 5k

Somers, Connecticut, United States

12 Sep, 2026 (Sat)

$35.00

Running

5K