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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20 races within 25 mi of Fairfield, CA
Napa, CA8 mi awayRegistration opens Nov 2, 2026
Ideal weather · 97/100 Typical: 67° / 45°F · 21% rain
Rio Vista, CA20 mi away
Ideal weather · 97/100 Typical: 61° / 42°F · 23% rain
Concord, CA22 mi away
Ideal weather · 97/100 Typical: 61° / 42°F · 23% rain
19% slower times (5K)past finishers
Napa, CA11 mi away
Ideal weather · 97/100 Typical: 62° / 42°F · 23% rain
8% slower times (5K)past finishers
San Pablo, CA22 mi away
Ideal weather · 96/100 Typical: 60° / 46°F · 24% rain
25% slower times (5K)past finishers
Fairfield, CA0 mi away
Ideal weather · 97/100 Typical: 61° / 42°F · 23% rain
25% slower times (5K)past finishers
Benicia, CA9 mi away
Ideal weather · 97/100 Typical: 61° / 42°F · 23% rain
American Canyon, CA7 mi away
Ideal weather · 93/100 Typical: 59° / 40°F · 27% rain
36% slower times (5K)past finishers
Napa, CA10 mi away
Ideal weather · 89/100 Typical: 59° / 40°F · 37% rain
7% slower times (5K)past finishers
Antioch, CA24 mi away
Ideal weather · 94/100 Typical: 65° / 43°F · 28% rain
Sonoma, CA19 mi away
Ideal weather · 99/100 Typical: 67° / 44°F · 17% rain
21% slower times (5K)past finishers
Winters, CA23 mi awayRegistration opens Dec 31, 2026
Ideal weather · 100/100 Typical: 74° / 47°F · 10% rain
Napa, CA10 mi away
Ideal weather · 100/100 Typical: 70° / 46°F · 12% rain
El Sobrante, CA22 mi awayRegistration opens Dec 1, 2026
Ideal weather · 97/100 Typical: 67° / 50°F · 8% rain
24% slower times (half)past finishers
Rodeo, CA16 mi away
Ideal weather · 93/100 Typical: 83° / 52°F · 2% rain
29% slower times (5K)past finishers
Pleasant Hill, CA20 mi away
Ideal weather · 85/100 Typical: 89° / 56°F · 0% rain
13% faster times (5K)past finishers
American Canyon, CA6 mi away
Ideal weather · 98/100 Typical: 81° / 53°F · 8% rain
Petaluma, CA24 mi awayRegistration opens Jul 31, 2027
Ideal weather · 100/100 Typical: 73° / 54°F · 9% rain