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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68 races within 25 mi of Tomball, TX
Houston, TX9 mi away
Ideal weather · 86/100 Typical: 73° / 52°F · 27% rain
Houston, TX20 mi away
Ideal weather · 88/100 Typical: 77° / 55°F · 25% rain
The Woodlands, TX10 mi away
Ideal weather · 88/100 Typical: 77° / 55°F · 25% rain
Tomball, TX0 mi away
Good weather · 75/100 Typical: 81° / 59°F · 30% rain
Spring, TX8 mi away
Fair weather · 60/100 Typical: 85° / 64°F · 33% rain
Houston, TX20 mi awayRegistration opens Nov 1, 2026
Harsh weather · 14/100 Typical: 94° / 74°F · 38% rain
5% slower times (5K)past finishers
Houston, TX20 mi awayRegistration opens Nov 1, 2026
Harsh weather · 3/100 Typical: 94° / 75°F · 48% rain
6% slower times (5K)past finishers
Houston, TX20 mi awayRegistration opens Nov 1, 2026
Harsh weather · 2/100 Typical: 97° / 76°F · 44% rain
Katy, TX23 mi awayRegistration opens Nov 5, 2026
Tough weather · 53/100 Typical: 92° / 73°F · 43% rain
Tomball, TX0 mi away
Fair weather · 56/100 Typical: 88° / 66°F · 28% rain
4% slower times (5K)past finishers
Katy, TX17 mi awayRegistration opens Oct 31, 2026
Good weather · 71/100 Typical: 85° / 62°F · 28% rain
9% slower times (5K)past finishers