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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39 races within 25 mi of Windsor, CO
Fort Collins, CO13 mi awayRegistration opens Nov 1, 2026
Good weather · 74/100 Typical: 50° / 26°F · 23% rain
Severance, CO0 mi away
Ideal weather · 85/100 Typical: 53° / 28°F · 23% rain
Fort Collins, CO12 mi away
Ideal weather · 89/100 Typical: 61° / 33°F · 36% rain
Longmont, CO23 mi away
Ideal weather · 90/100 Typical: 65° / 38°F · 39% rain
Fort Collins, CO14 mi away
Ideal weather · 89/100 Typical: 65° / 37°F · 39% rain
Eaton, CO14 mi away
Fair weather · 58/100 Typical: 83° / 53°F · 38% rain
Fort Collins, CO11 mi away
Ideal weather · 90/100 Typical: 83° / 53°F · 34% rain
42% faster times (mile)past finishers
Windsor, CO0 mi away
Good weather · 74/100 Typical: 85° / 55°F · 30% rain
Greeley, CO12 mi away
Good weather · 71/100 Typical: 92° / 62°F · 39% rain
18% slower times (5K)past finishers
Longmont, CO25 mi awayRegistration opens Mar 12, 2027
Good weather · 74/100 Typical: 88° / 61°F · 39% rain
Longmont, CO23 mi away
Ideal weather · 92/100 Typical: 79° / 51°F · 22% rain