Endurance Races in Connecticut, United States 2026 83 events
Browse upcoming endurance races in United States. Find dates, distances, and registration links.
Upcoming races
RunningIn 2 days
2026 Killingworth Road Race 4 Miles
◎ Killingworth, USA▤ Aug 29, 2026
6.4 km
RunningIn 3 days
Be Happy Road Race
◎ Ellington, USA▤ Aug 30, 2026
RunningIn 9 days
50th Annual Sao Paio 5k road race/walk and fun run
◎ Naugatuck, USA▤ Sep 5, 2026
5 km
RunningIn 9 days
Black Hog Brewing Co. 5K Road Race
◎ Oxford, USA▤ Sep 5, 2026
5 km
RunningIn 10 days
3rd Annual LSC Soccer Stride
◎ Ledyard, USA▤ Sep 6, 2026
RunningIn 2 weeks
2026 STERLING DOWN AND DIRTY 5K
◎ Stratford, USA▤ Sep 12, 2026
5 km
RunningIn 2 weeks
The Cross-Connecticut Run for Mental Health Awareness
◎ West Suffield, USA▤ Sep 12, 2026
TriathlonIn 2 weeks
2026 Dave Parcells Madison Triathlon
◎ Madison, USA▤ Sep 12, 2026
0.75 km / 20 km / 5 km
RunningIn 2 weeks
Macedonia Trail Race
◎ Kent, USA▤ Sep 13, 2026
RunningIn 2 weeks
East Haven Community Classic
◎ East Haven, USA▤ Sep 13, 2026
RunningIn 3 weeks
14th Annual Miles for a Mission 5K Run/Walk – In Person AND Virtual – benefiting INTEMPO
◎ Stamford, USA▤ Sep 14-20, 2026
5 km
RunningIn 3 weeks
Arc Run
◎ Meriden, USA▤ Sep 19, 2026
RunningIn 3 weeks
Bound for the Sound
◎ Old Lyme, USA▤ Sep 19, 2026
RunningIn 3 weeks
Bozrah Fire Department 5k Road Race and Kids' fun run
◎ Bozrah, USA▤ Sep 19, 2026
5 km
RunningIn 3 weeks
2026 Run To The River 5K
◎ Deep River, USA▤ Sep 19, 2026
5 km
RunningIn 3 weeks
2nd Annual PCS Harvest Hustle 5K & Kids Run
◎ Pomfret Center, USA▤ Sep 19, 2026
5 km
RunningIn 3 weeks
4 Town 5k
◎ Somers, USA▤ Sep 19, 2026
5 km
RunningIn 3 weeks
2026 Darien Road Race & Family Fun Day Charity Fundraiser
◎ Darien, USA▤ Sep 20, 2026
RunningIn 3 weeks
14th Annual NOW ~Lap The Lake~ 5k Walk & Run
◎ Dayville, USA▤ Sep 20, 2026
5 km
RunningIn 3 weeks
17th Annual Farmington River Run 5K Trail Race
◎ Farmington, USA▤ Sep 20, 2026
5 km