Race catalog · Updated nightly
Upcoming running, cycling, triathlon and ultra races, updated nightly from RunSignup, BikeReg and ACTIVE. Missing a race? Submit it
Loading races…
83 races within 25 mi of Darien, CT
Farmingdale, NY24 mi awayRegistration opens May 28, 2027
Tough weather · 53/100 Typical: 77° / 67°F · 34% rain
36% faster times (mile)past finishers
Milford, CT24 mi away
Fair weather · 69/100 Typical: 74° / 62°F · 27% rain
Rye, NY13 mi away
Ideal weather · 93/100 Typical: 76° / 57°F · 28% rain
Congers, NY24 mi away
Good weather · 70/100 Typical: 71° / 54°F · 35% rain
17% faster times (half)past finishers
Norwalk, CT5 mi awayRegistration opens Dec 21, 2026
Good weather · 83/100 Typical: 71° / 54°F · 35% rain
Valley Cottage, NY24 mi away
Ideal weather · 88/100 Typical: 69° / 51°F · 30% rain
Norwalk, CT6 mi awayRegistration opens Jun 16, 2027
Ideal weather · 95/100 Typical: 65° / 47°F · 28% rain
Greenlawn, NY16 mi awayRegistration opens Jul 21, 2027
Ideal weather · 95/100 Typical: 59° / 42°F · 27% rain
9% faster times (5K)past finishers