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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13 races within 25 mi of Marthasville, MO
Cottleville, MO23 mi away
Ideal weather · 95/100 Typical: 63° / 41°F · 27% rain
St. Louis, MO24 mi away
Ideal weather · 89/100 Typical: 57° / 35°F · 24% rain
Chesterfield, MO24 mi away
Good weather · 82/100 Typical: 51° / 32°F · 25% rain
Wildwood, MO24 mi away
Good weather · 81/100 Typical: 50° / 31°F · 27% rain
Defiance, MO16 mi away
Good weather · 79/100 Typical: 46° / 28°F · 19% rain
Defiance, MO16 mi away
Ideal weather · 87/100 Typical: 46° / 28°F · 19% rain
7% faster times (trail 8K)past finishers
Foristell, MO19 mi away
Ideal weather · 86/100 Typical: 40° / 23°F · 20% rain
Foristell, MO13 mi away
Fair weather · 67/100 Typical: 39° / 21°F · 22% rain
11% faster times (trail 15K)past finishers
Glencoe, MO24 mi away
Good weather · 77/100 Typical: 42° / 22°F · 23% rain
92% slower times (5K)past finishers
Chesterfield, MO24 mi awayRegistration opens Nov 25, 2026
Ideal weather · 85/100 Typical: 57° / 35°F · 32% rain
Augusta, MO12 mi away
Good weather · 83/100 Typical: 71° / 50°F · 49% rain
Saint Clair, MO23 mi away
Harsh weather · 39/100 Typical: 87° / 67°F · 45% rain