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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74 races within 25 mi of Clayton, MO
St. Louis, MO3 mi away
Good weather · 82/100 Typical: 51° / 32°F · 25% rain
Grover, MO17 mi away
Good weather · 82/100 Typical: 51° / 32°F · 25% rain
Alton, IL19 mi away
Good weather · 81/100 Typical: 48° / 30°F · 29% rain
Wildwood, MO19 mi away
Good weather · 81/100 Typical: 50° / 31°F · 27% rain
Maryland Heights, MO9 mi away
Ideal weather · 88/100 Typical: 50° / 31°F · 27% rain
8% slower times (5K)past finishers
Belleville, IL21 mi away
Good weather · 76/100 Typical: 46° / 28°F · 22% rain
Richmond Heights, MO1 mi away
Fair weather · 55/100 Typical: 46° / 28°F · 22% rain
Edwardsville, IL25 mi away
Good weather · 70/100 Typical: 42° / 26°F · 23% rain
Saint Charles, MO16 mi away
Good weather · 71/100 Typical: 43° / 26°F · 27% rain
St Peters, MO19 mi away
Good weather · 71/100 Typical: 43° / 26°F · 27% rain
Saint Louis, MO9 mi away
Good weather · 78/100 Typical: 41° / 24°F · 25% rain
Maryland Heights, MO9 mi away
Good weather · 78/100 Typical: 41° / 24°F · 25% rain
7% slower times (5K)past finishers
St. Louis, MO9 mi away
Good weather · 77/100 Typical: 42° / 22°F · 23% rain
6% slower times (5K)past finishers
Glencoe, MO19 mi away
Good weather · 77/100 Typical: 42° / 22°F · 23% rain
92% slower times (5K)past finishers
Maryland Heights, MO9 mi away
Good weather · 73/100 Typical: 46° / 25°F · 26% rain
Belleville, IL21 mi away
Good weather · 77/100 Typical: 54° / 31°F · 30% rain
St Louis, MO8 mi away
Ideal weather · 86/100 Typical: 54° / 32°F · 30% rain
6% slower times (5K)past finishers
Chesterfield, MO17 mi awayRegistration opens Nov 25, 2026
Ideal weather · 85/100 Typical: 57° / 35°F · 32% rain
Maryland Heights, MO9 mi away
Ideal weather · 93/100 Typical: 57° / 35°F · 32% rain
Grover, MO17 mi away
Ideal weather · 85/100 Typical: 57° / 35°F · 32% rain