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 Lyons, CO
Lyons, CO20 mi away
Good weather · 73/100 Typical: 43° / 21°F · 27% rain
Estes Park, CO16 mi away
Good weather · 72/100 Typical: 48° / 24°F · 49% rain
6% slower times (5K)past finishers
Boulder, CO16 mi awayRegistration opens Jan 1, 2027
Ideal weather · 88/100 Typical: 65° / 38°F · 39% rain
Longmont, CO20 mi away
Ideal weather · 90/100 Typical: 65° / 38°F · 39% rain
Superior, CO22 mi away
Good weather · 81/100 Typical: 65° / 38°F · 39% rain
Estes Park, CO16 mi awayRegistration opens May 15, 2027
Ideal weather · 89/100 Typical: 59° / 33°F · 47% rain
14% slower times (trail 25K)past finishers
Boulder, CO14 mi away
Ideal weather · 89/100 Typical: 80° / 51°F · 32% rain
Louisville, CO23 mi away
Good weather · 82/100 Typical: 81° / 51°F · 30% rain
Lyons, CO0 mi away
Ideal weather · 93/100 Typical: 68° / 39°F · 32% rain
Louisville, CO23 mi away
Good weather · 75/100 Typical: 89° / 60°F · 39% rain
Eldorado Springs, CO21 mi away
Ideal weather · 89/100 Typical: 77° / 48°F · 43% rain
Longmont, CO16 mi awayRegistration opens Mar 12, 2027
Good weather · 74/100 Typical: 88° / 61°F · 39% rain
Lyons, CO0 mi awayRegistration opens Jan 30, 2027
Ideal weather · 91/100 Typical: 76° / 47°F · 37% rain
Longmont, CO19 mi away
Ideal weather · 92/100 Typical: 79° / 51°F · 22% rain