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…
42 races within 25 mi of Concord, CA
Alameda, CA21 mi away
Ideal weather · 99/100 Typical: 64° / 47°F · 16% rain
Castro Valley, CA16 mi away
Ideal weather · 100/100 Typical: 67° / 44°F · 16% rain
El Sobrante, CA20 mi awayRegistration opens Dec 1, 2026
Ideal weather · 97/100 Typical: 67° / 50°F · 8% rain
24% slower times (half)past finishers
Clayton, CA6 mi away
Good weather · 77/100 Typical: 76° / 49°F · 7% rain
21% slower times (trail half)past finishers
Oakland, CA16 mi away
Good weather · 73/100 Typical: 78° / 50°F · 5% rain
14% slower times (trail half)past finishers
Castro Valley, CA16 mi away
Ideal weather · 89/100 Typical: 77° / 50°F · 3% rain
Rodeo, CA15 mi away
Ideal weather · 93/100 Typical: 83° / 52°F · 2% rain
29% slower times (5K)past finishers
Alameda, CA21 mi away
Ideal weather · 99/100 Typical: 72° / 53°F · 0% rain
5% faster times (5K)past finishers
Castro Valley, CA16 mi away
Good weather · 79/100 Typical: 86° / 54°F · 0% rain
28% slower times (half)past finishers
Pleasant Hill, CA6 mi away
Ideal weather · 85/100 Typical: 89° / 56°F · 0% rain
13% faster times (5K)past finishers
San Ramon, CA13 mi away
Good weather · 75/100 Typical: 87° / 56°F · 2% rain
Oakland, CA15 mi away
Ideal weather · 91/100 Typical: 86° / 55°F · 4% rain
10% slower times (5K)past finishers
American Canyon, CA23 mi away
Ideal weather · 98/100 Typical: 81° / 53°F · 8% rain
