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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49 races within 25 mi of Fort Collins, CO
Fort Collins, CO8 mi away
Fair weather · 69/100 Typical: 42° / 23°F · 19% rain
5% faster times (5K)past finishers
Lyons, CO18 mi awayRegistration opens Dec 11, 2026
Tough weather · 40/100 Typical: 27° / 9°F · 38% rain
Fort Collins, CO10 mi awayRegistration opens Nov 15, 2026
Fair weather · 65/100 Typical: 39° / 20°F · 19% rain
7% faster times (5K)past finishers
Lyons, CO18 mi away
Good weather · 73/100 Typical: 43° / 21°F · 27% rain
Fort Collins, CO18 mi awayRegistration opens Nov 1, 2026
Good weather · 74/100 Typical: 50° / 26°F · 23% rain
Severance, CO15 mi away
Ideal weather · 85/100 Typical: 53° / 28°F · 23% rain
Fort Collins, CO8 mi away
Ideal weather · 89/100 Typical: 61° / 33°F · 36% rain
Estes Park, CO24 mi away
Good weather · 72/100 Typical: 48° / 24°F · 49% rain
6% slower times (5K)past finishers
Longmont, CO18 mi away
Ideal weather · 90/100 Typical: 65° / 38°F · 39% rain
Fort Collins, CO13 mi away
Ideal weather · 89/100 Typical: 65° / 37°F · 39% rain
Estes Park, CO24 mi awayRegistration opens May 15, 2027
Ideal weather · 89/100 Typical: 59° / 33°F · 47% rain
14% slower times (trail 25K)past finishers
Boulder, CO24 mi away
Ideal weather · 89/100 Typical: 80° / 51°F · 32% rain
Lyons, CO18 mi away
Ideal weather · 93/100 Typical: 68° / 39°F · 32% rain
Fort Collins, CO12 mi away
Ideal weather · 90/100 Typical: 83° / 53°F · 34% rain
42% faster times (mile)past finishers
Windsor, CO15 mi away
Good weather · 74/100 Typical: 85° / 55°F · 30% rain
Longmont, CO17 mi awayRegistration opens Mar 12, 2027
Good weather · 74/100 Typical: 88° / 61°F · 39% rain
Lyons, CO18 mi awayRegistration opens Jan 30, 2027
Ideal weather · 91/100 Typical: 76° / 47°F · 37% rain
Longmont, CO18 mi away
Ideal weather · 92/100 Typical: 79° / 51°F · 22% rain