Race catalog · Updated nightly
Find a race
Upcoming running, cycling, triathlon and ultra races, updated nightly from RunSignup, BikeReg and ACTIVE. Missing a race? Submit it
Loading races…
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…
45 races within 25 mi of Marlborough, CT
South Glastonbury, CT6 mi away
Good weather · 79/100 Typical: 47° / 32°F · 31% rain
18% slower times (5K)past finishers
Vernon Rockville, CT14 mi away
Fair weather · 64/100 Typical: 37° / 23°F · 35% rain
10% faster times (5K)past finishers
Guilford, CT25 mi away
Fair weather · 67/100 Typical: 38° / 25°F · 34% rain
12% faster times (5K)past finishers
East Hartford, CT13 mi awayRegistration opens Oct 26, 2026
Fair weather · 61/100 Typical: 34° / 19°F · 30% rain
14% faster times (5K)past finishers
Essex, CT20 mi awayRegistration opens Jan 4, 2027
Good weather · 77/100 Typical: 46° / 29°F · 27% rain
8% faster times (5K)past finishers
Simsbury, CT25 mi awayRegistration opens Feb 3, 2027
Good weather · 72/100 Typical: 44° / 26°F · 29% rain
9% faster times (8K)past finishers
Andover, CT8 mi awayRegistration opens Oct 26, 2026
Good weather · 77/100 Typical: 49° / 32°F · 37% rain
11% faster times (5K)past finishers
West Hartford, CT18 mi awayRegistration opens Feb 25, 2027
Good weather · 81/100 Typical: 53° / 33°F · 35% rain
Storrs Mansfield, CT16 mi away
Good weather · 81/100 Typical: 55° / 34°F · 37% rain
13% faster times (5K)past finishers
Cheshire, CT25 mi away
Ideal weather · 93/100 Typical: 56° / 36°F · 32% rain
Killingworth, CT19 mi away
Ideal weather · 92/100 Typical: 60° / 41°F · 33% rain
26% slower times (8K)past finishers
Columbia, CT9 mi away
Ideal weather · 90/100 Typical: 62° / 44°F · 39% rain
Marlborough, CT0 mi away
Ideal weather · 90/100 Typical: 72° / 54°F · 40% rain
13% faster times (5K)past finishers
Colchester, CT8 mi away
Tough weather · 48/100 Typical: 84° / 66°F · 44% rain
4% slower times (5K)past finishers
Old Saybrook, CT24 mi awayRegistration opens Dec 30, 2026
Fair weather · 63/100 Typical: 82° / 64°F · 36% rain
13% faster times (5K)past finishers
Wallingford, CT22 mi away
Ideal weather · 92/100 Typical: 70° / 51°F · 36% rain
10% faster times (5K)past finishers
Andover, CT8 mi awayRegistration opens Jun 1, 2027
Ideal weather · 93/100 Typical: 62° / 45°F · 32% rain