Illinois Half Marathon Calendar 2025-2026

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Explore the best half marathons in Illinois for 2025-2026! Our updated list features 62 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

June 2025
Jun
21
Saturday

The Best Races - Evanston

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 Loop

5 km 10 km 13 mi
Jul
5
Saturday

The Best Races - Evanston

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 Loop

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 Loop

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 Loop

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
31
Sunday

Crystal Lake Half Marathon

12 km 13 mi
September 2025
Sep
6
Saturday

The Hidden Gem Half Marathon

13 mi
Sep
6
Saturday

Naperville Trails Half Marathon

Trail Run 10 km 13 mi
Sep
13
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Sep
13
Saturday

The Best Races - Chicago Loop

5 km 10 km 13 mi
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