5K Races in Connecticut
Find upcoming 5k races in Connecticut — with dates, locations, and direct registration links.
147 upcoming 5k races found in Connecticut
Upcoming 5K Races in Connecticut
34th Annual Halloween 5K+1
Oct 18
34th Annual Halloween 5K and Kids Fun Run
Sun, October 18, 2026
Brookfield, CT
Portland Come on Over 5K Run+1
Oct 10
Come on Over 5K and 2.1 Mile Fitness Walk
Sat, October 10, 2026
Portland, CT
Eversource Hartford Marathon+2
Oct 10
Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K
Sat, October 10, 2026
Hartford, CT
5k Run or Walk ages 19 & over+4
Oct 18
Great Pumpkin Classic
Sun, October 18, 2026
TRUMBULL, CT
Husky Run & Ruck 10K+2
Nov 8
Husky Run & Ruck 10K, 5K and Fitness Walk
Sun, November 8, 2026
Storrs, CT
Salute the Troops 5K Run+2
Nov 7
Plainfield Salute the Troops 5k, Fun Run, & Soldier Stroll
Sat, November 7, 2026
Central Village, CT
5K Run/Walk Running for Water for Africa+2
Oct 17
Running for Water for Africa 5K
Sat, October 17, 2026
Milford, CT
Ridgefield Road Fest Half-Marathon+5
Oct 18
The Ridgefield Road Fest 50th ANNIVERSARY: 1/2 Marathon, 7-Miler, & Iris Fund 5K
Sun, October 18, 2026
Ridgefield, CT
The Reservoir Run Races Half Marathon+2
Oct 25
The Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll
Sun, October 25, 2026
WESTON, CT