Illinois Half Marathon Calendar 2025-2026

Header image

Explore the best half marathons in Illinois for 2025-2026! Our updated list features 48 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

May 2025
May
31
Saturday

Hometown Half Marathon - Chicago

5 km 10 km 13 mi
June 2025
Jun
1
Sunday

North Shore Classic

5 km 13 mi
Jun
7
Saturday

River Bottom Country Runs for St Jude

5 km 13 mi
Jun
14
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Jun
21
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Jun
28
Saturday

Hoffman Estates Stars and Stripes Half Marathon

5 km 10 km 13 mi
July 2025
Jul
5
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Jul
19
Saturday

Christmas in July Half Marathon

5 km 13 mi
Jul
26
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Jul
26
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
August 2025
Aug
1-2
Fr - Sa

Run Mahomet

5 km 10 km 13 mi
Aug
2
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Aug
2
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Aug
16
Saturday

RAMP River Run – 1/2 Marathon

3 km 5 km 13 mi
Aug
16
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Aug
16
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Aug
23-24
Sa - Su

Shawnee Hills Trail Races

Trail Run 13 mi 50 km 100 km 100 mi
Aug
30
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Aug
30
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Aug
31
Sunday

Crystal Lake Half Marathon

12 km 13 mi
Articles
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series
Stride with Confidence: A Comprehensive Guide to Saucony Running Shoes