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
Loading races…
282 races
Denver, CO
Good weather · 81/100 Typical: 52° / 28°F · 18% rain
6% slower times (5K)past finishers
Arvada, CO
Ideal weather · 89/100 Typical: 52° / 28°F · 18% rain
8% slower times (5K)past finishers
Durango, CO
Tough weather · 42/100 Typical: 41° / 21°F · 23% rain
Loveland, CO
Good weather · 76/100 Typical: 48° / 26°F · 19% rain
15% slower times (5K)past finishers
Louisville, CO
Good weather · 78/100 Typical: 49° / 26°F · 18% rain
Boulder, CO
Fair weather · 57/100 Typical: 36° / 17°F · 30% rain
16% faster times (5K)past finishers
Broomfield, CO
Good weather · 78/100 Typical: 49° / 26°F · 18% rain
6% slower times (5K)past finishers
Buena Vista, CO
Tough weather · 46/100 Typical: 31° / 9°F · 31% rain
Durango, CO
Fair weather · 64/100 Typical: 38° / 19°F · 27% rain
Johnstown, CO
Good weather · 76/100 Typical: 48° / 26°F · 19% rain
24% slower times (5K)past finishers
Fort Collins, CO
Good weather · 76/100 Typical: 48° / 26°F · 19% rain
Glenwood Springs, CO
Fair weather · 61/100 Typical: 37° / 18°F · 30% rain
Littleton, CO
Good weather · 76/100 Typical: 47° / 25°F · 14% rain
10% slower times (5K)past finishers
Grand Junction, CO
Good weather · 75/100 Typical: 45° / 25°F · 19% rain
25% slower times (5K)past finishers
Greeley, CO
Good weather · 80/100 Typical: 49° / 27°F · 14% rain
19% slower times (5K)past finishers
Pagosa Springs, CO
Fair weather · 58/100 Typical: 37° / 15°F · 29% rain
Parker, CO
Good weather · 76/100 Typical: 47° / 25°F · 14% rain
Windsor, CO
Good weather · 76/100 Typical: 48° / 26°F · 19% rain
13% slower times (5K)past finishers
Steamboat Springs, CO
Tough weather · 50/100 Typical: 33° / 12°F · 39% rain
5% slower times (5K)past finishers