Race catalog · Updated nightly
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Upcoming running, cycling, triathlon and ultra races, updated nightly from RunSignup, BikeReg and ACTIVE. Missing a race? Submit it
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Race catalog · Updated nightly
Upcoming running, cycling, triathlon and ultra races, updated nightly from RunSignup, BikeReg and ACTIVE. Missing a race? Submit it
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31 races within 25 mi of Mansfield Center, CT
Marlborough, CT16 mi away
Ideal weather · 90/100 Typical: 72° / 54°F · 40% rain
13% faster times (5K)past finishers
Southbridge, MA22 mi awayRegistration opens Feb 15, 2027
Fair weather · 59/100 Typical: 81° / 62°F · 46% rain
Colchester, CT17 mi away
Tough weather · 48/100 Typical: 84° / 66°F · 44% rain
4% slower times (5K)past finishers
Andover, CT9 mi awayRegistration opens Jun 1, 2027
Ideal weather · 93/100 Typical: 62° / 45°F · 32% rain