Fox Valley Marathon Races

Sunday, September 20, 2026

Saint Charles, Illinois

Race Day

Sunday, September 20, 2026

Course

Loop

Also Offers

26.2M20M5K run

Registration

Race Website

Official race information

☀

Avg High

77°F

☽

Avg Low

60°F

☂

Precip

0.18 in

🍃

Wind

10.5 mph

71% humidity·Based on 5-year historical data

APR 4

Lake Sara Dam Run

APR 4

Always Hope Easter Run 5K/10K/13.1 CHICAGO/EVANSTON

APR 4

Chi Town Half Marathon & 10K

APR 4

Lake Sara Dam Run 5K, 8 Mile & Half Marathon

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Race Day

Sunday, September 20, 2026

Course

Loop

Also Offers

26.2M20M5K run

Registration

Race Website

Official race information