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…
54 races within 25 mi of Riverside, CA
IRVINE, CA23 mi away
Good weather · 84/100 Typical: 82° / 62°F · 0% rain
Irvine, CA23 mi away
Good weather · 76/100 Typical: 85° / 66°F · 3% rain
Anaheim, CA18 mi awayRegistration opens Nov 23, 2026
Ideal weather · 100/100 Typical: 69° / 50°F · 14% rain