Naperville Half Marathon

Sunday, October 18, 2026

Naperville, Illinois

Race Day

Sunday, October 18, 2026

Course

Loop

Also Offers

10K5K run

Registration

Race Website

Official race information

☀

Avg High

61°F

☽

Avg Low

44°F

☂

Precip

0.05 in

🍃

Wind

12.5 mph

66% 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, October 18, 2026

Course

Loop

Also Offers

10K5K run

Registration

Race Website

Official race information