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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41 races within 25 mi of Colchester, CT
East Hartford, CT21 mi awayRegistration opens Oct 26, 2026
Fair weather · 61/100 Typical: 34° / 19°F · 30% rain
14% faster times (5K)past finishers
Mystic, CT23 mi away
Fair weather · 67/100 Typical: 40° / 25°F · 34% rain
14% faster times (5K)past finishers
Essex, CT14 mi awayRegistration opens Jan 4, 2027
Good weather · 77/100 Typical: 46° / 29°F · 27% rain
8% faster times (5K)past finishers
Andover, CT13 mi awayRegistration opens Oct 26, 2026
Good weather · 77/100 Typical: 49° / 32°F · 37% rain
11% faster times (5K)past finishers
Storrs Mansfield, CT19 mi away
Good weather · 81/100 Typical: 55° / 34°F · 37% rain
13% faster times (5K)past finishers
Killingworth, CT17 mi away
Ideal weather · 92/100 Typical: 60° / 41°F · 33% rain
26% slower times (8K)past finishers
New London, CT19 mi away
Ideal weather · 92/100 Typical: 61° / 44°F · 36% rain
8% faster times (5K)past finishers
Columbia, CT10 mi away
Ideal weather · 90/100 Typical: 62° / 44°F · 39% rain
Marlborough, CT8 mi away
Ideal weather · 90/100 Typical: 72° / 54°F · 40% rain
13% faster times (5K)past finishers
Mystic, CT23 mi away
Ideal weather · 89/100 Typical: 72° / 55°F · 42% rain
13% faster times (trail 5K)past finishers
Colchester, CT0 mi away
Tough weather · 48/100 Typical: 84° / 66°F · 44% rain
4% slower times (5K)past finishers
Old Saybrook, CT17 mi awayRegistration opens Dec 30, 2026
Fair weather · 63/100 Typical: 82° / 64°F · 36% rain
13% faster times (5K)past finishers
Wallingford, CT24 mi away
Ideal weather · 92/100 Typical: 70° / 51°F · 36% rain
10% faster times (5K)past finishers
Andover, CT13 mi awayRegistration opens Jun 1, 2027
Ideal weather · 93/100 Typical: 62° / 45°F · 32% rain