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

Mar

07

99.1 PLR *Shamrock and Roll 5K*

New Haven, Connecticut, United States

$30.00

Running

5K

Mar

13

Catch A Leprechaun 5K

Essex, Connecticut, United States

$33.00

Running

5K

Mar

27

Bradley Road Race - 5K & 10K

Windsor Locks, Connecticut, United States

$30.00

Running

5K 10K

Apr

10

UConn Nutrition Club 5k

Storrs Mansfield, Connecticut, United States

$25.00

Running

5K

Apr

11

Ion Bank Cheshire Road Races

Cheshire, Connecticut, United States

$10.00 - $60.00

Running

Half-Marathon 5K 0.8K 6.4K

Apr

18

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

Stamford, Connecticut, United States

Running

5K

Apr

25

Minute Man Race

Westport, Connecticut, United States

$10.00 - $50.00

Running

10K 5K 1K

May

01

Brew Run

New London, Connecticut, United States

$20.00 - $30.00

Running

5K 1.6K

May

01

Granby Road Race

Granby, Connecticut, United States

Free - $50.00

Running

5K 10K 1.6K

May

02

Miles For Margaritas

Stratford, Connecticut, United States

Free - $35.00

Running Walking

5K 1.6K Little Pub Cinco de Kids fun run

May

02

Porter 5K (3.1 mile) Rec Park, Columbia, CT

Columbia, Connecticut, United States

$15.00 - $25.00

Running

5K 1.6K

May

15

Reservoir Rush

Moodus, Connecticut, United States

$10.00 - $40.00

Running

5K Kids Fun Run