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…
Alameda, CA10 mi away
Ideal weather · 94/100 Typical: 59° / 40°F · 25% rain
Union City, CA17 mi away
Ideal weather · 94/100 Typical: 59° / 41°F · 27% rain
Antioch, CA20 mi away
Ideal weather · 89/100 Typical: 57° / 39°F · 34% rain
San Francisco, CA20 mi away
Ideal weather · 92/100 Typical: 57° / 44°F · 36% rain
San Francisco, CA20 mi away
Ideal weather · 92/100 Typical: 57° / 44°F · 36% rain
Sausalito, CA20 mi away
Ideal weather · 91/100 Typical: 56° / 44°F · 37% rain
San Mateo, CA21 mi away
Ideal weather · 89/100 Typical: 55° / 47°F · 33% rain
San Mateo, CA21 mi away
Ideal weather · 89/100 Typical: 55° / 47°F · 33% rain
Castro Valley, CA6 mi away
Ideal weather · 94/100 Typical: 56° / 39°F · 29% rain
22% slower times (half)past finishers
Castro Valley, CA6 mi away
Ideal weather · 94/100 Typical: 56° / 39°F · 29% rain
Alameda, CA10 mi away
Ideal weather · 93/100 Typical: 57° / 40°F · 25% rain
San Francisco, CA20 mi away
Ideal weather · 94/100 Typical: 57° / 44°F · 29% rain
San Francisco, CA20 mi awayRegistration opens Oct 27, 2026
Ideal weather · 94/100 Typical: 57° / 44°F · 29% rain
San Francisco, CA20 mi away
Ideal weather · 94/100 Typical: 58° / 44°F · 30% rain
Fremont, CA20 mi away
Ideal weather · 94/100 Typical: 58° / 40°F · 30% rain
9% slower times (5K)past finishers
San Francisco, CA20 mi away
Ideal weather · 94/100 Typical: 58° / 44°F · 30% rain
San Francisco, CA20 mi away
Ideal weather · 95/100 Typical: 59° / 45°F · 28% rain
San Francisco, CA20 mi away
Ideal weather · 95/100 Typical: 59° / 45°F · 28% rain
San Francisco, CA20 mi away
Ideal weather · 93/100 Typical: 58° / 44°F · 31% rain
San Francisco, CA20 mi away
Ideal weather · 93/100 Typical: 58° / 44°F · 31% rain