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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63 races within 25 mi of Glendora, CA
San Dimas, CA4 mi away
Ideal weather · 100/100 Typical: 71° / 50°F · 6% rain
La Crescenta, CA24 mi away
Ideal weather · 100/100 Typical: 71° / 50°F · 6% rain
Covina, CA6 mi away
Ideal weather · 100/100 Typical: 73° / 52°F · 4% rain
South El Monte, CA15 mi away
Ideal weather · 100/100 Typical: 75° / 54°F · 5% rain
19% slower times (5K)past finishers
South El Monte, CA15 mi awayRegistration opens Nov 1, 2026
Ideal weather · 100/100 Typical: 75° / 54°F · 5% rain
5% slower times (5K)past finishers
Claremont, CA7 mi awayRegistration opens Jan 4, 2027
Ideal weather · 100/100 Typical: 79° / 52°F · 5% rain
Norwalk, CA23 mi awayRegistration opens Dec 1, 2026
Ideal weather · 94/100 Typical: 78° / 56°F · 0% rain
7% slower times (5K)past finishers
South El Monte, CA15 mi awayRegistration opens Dec 31, 2026
Good weather · 82/100 Typical: 84° / 63°F · 2% rain
Montebello, CA19 mi away
Ideal weather · 90/100 Typical: 80° / 59°F · 8% rain
6% faster times (5K)past finishers
Anaheim, CA22 mi awayRegistration opens Nov 23, 2026
Ideal weather · 100/100 Typical: 69° / 50°F · 14% rain