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 St. Charles, IL
Barrington, IL18 mi awayRegistration opens Oct 31, 2026
Ideal weather · 86/100 Typical: 69° / 47°F · 39% rain
7% slower times (5K)past finishers
Palatine, IL20 mi away
Good weather · 83/100 Typical: 77° / 55°F · 37% rain
Barrington Hills, IL18 mi away
Good weather · 83/100 Typical: 77° / 55°F · 37% rain
Oak Brook, IL24 mi awayRegistration opens Jan 1, 2027
Good weather · 84/100 Typical: 77° / 55°F · 37% rain
Sugar Grove, IL12 mi away
Good weather · 72/100 Typical: 79° / 58°F · 41% rain
13% slower times (5K)past finishers
Lake Zurich, IL22 mi away
Good weather · 72/100 Typical: 84° / 64°F · 46% rain
Huntley, IL16 mi awayRegistration opens Mar 28, 2027
Tough weather · 53/100 Typical: 82° / 64°F · 41% rain
15% faster times (mile)past finishers
Naperville, IL17 mi away
Good weather · 77/100 Typical: 84° / 64°F · 39% rain
Elk Grove Village, IL21 mi away
Tough weather · 46/100 Typical: 84° / 64°F · 39% rain
Bolingbrook, IL24 mi awayRegistration opens Feb 27, 2027
Fair weather · 62/100 Typical: 83° / 63°F · 38% rain
7% slower times (5K)past finishers
Wheaton, IL16 mi away
Fair weather · 61/100 Typical: 82° / 63°F · 40% rain
5% slower times (5K)past finishers
Wheaton, IL14 mi awayRegistration opens Dec 7, 2026
Good weather · 76/100 Typical: 77° / 56°F · 27% rain
Greater Chicago, IL21 mi away
Good weather · 78/100 Typical: 76° / 55°F · 31% rain
Schaumburg, IL16 mi awayRegistration opens Jan 1, 2027
Ideal weather · 90/100 Typical: 73° / 53°F · 35% rain
DeKalb, IL19 mi awayRegistration opens Mar 31, 2027
Ideal weather · 92/100 Typical: 73° / 52°F · 31% rain
Lisle, IL19 mi awayRegistration opens Jul 31, 2027
Ideal weather · 91/100 Typical: 71° / 50°F · 30% rain