Endurance Races in CT, United States 2026
Browse upcoming endurance races in United States. Find dates, distances, and registration links.
103 upcoming races
Upcoming Races
Running
2026 Killingworth Road Race 4 Miles
Aug 29, 2026Killingworth, USA
Run 6 m
Running
Be Happy Road Race
Aug 30, 2026Ellington, USA
Running
50th Annual Sao Paio 5k road race/walk and fun run
Sep 5, 2026Naugatuck, USA
Run 5 m
Running
Black Hog Brewing Co. 5K Road Race
Sep 5, 2026Oxford, USA
Run 5 m
Running
3rd Annual LSC Soccer Stride
Sep 6, 2026Ledyard, USA
Triathlon
2026 Dave Parcells Madison Triathlon
Sep 12, 2026Madison, USA
Swim 1 m | Bike 20 m | Run 5 m
Running
The Cross-Connecticut Run for Mental Health Awareness
Sep 12, 2026West Suffield, USA
Running
2026 STERLING DOWN AND DIRTY 5K
Sep 12, 2026Stratford, USA
Run 5 m
Running
Macedonia Trail Race
Sep 13, 2026Kent, USA
Running
East Haven Community Classic
Sep 13, 2026East Haven, USA
Running
14th Annual Miles for a Mission 5K Run/Walk – In Person AND Virtual – benefiting INTEMPO
Sep 14-20, 2026Stamford, USA
Run 5 m
Running
2026 Run To The River 5K
Sep 19, 2026Deep River, USA
Run 5 m
Running
2nd Annual PCS Harvest Hustle 5K & Kids Run
Sep 19, 2026Pomfret Center, USA
Run 5 m
Running
4 Town 5k
Sep 19, 2026Somers, USA
Run 5 m
Running
Arc Run
Sep 19, 2026Meriden, USA
Running
Bound for the Sound
Sep 19, 2026Old Lyme, USA
Running
Bozrah Fire Department 5k Road Race and Kids' fun run
Sep 19, 2026Bozrah, USA
Run 5 m
Running
2026 Darien Road Race & Family Fun Day Charity Fundraiser
Sep 20, 2026Darien, USA
Running
14th Annual NOW ~Lap The Lake~ 5k Walk & Run
Sep 20, 2026Dayville, USA
Run 5 m
Running
17th Annual Farmington River Run 5K Trail Race
Sep 20, 2026Farmington, USA
Run 5 m