Illinois Half Marathon Calendar 2025-2026

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Explore the best half marathons in Illinois for 2025-2026! Our updated list features 65 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

April 2025
Apr
11-12
Fr - Sa

Allerton Races

Trail Run 5 km 10 km 13 mi
Apr
12
Saturday

Donot Stop Half Marathon - Chicago

5 km 10 km 13 mi
Apr
19
Saturday

Loud Thunder 50

Trail Run 13 mi 50 km 50 mi
Apr
19
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Apr
24-26
Th - Sa

Illinois Race Weekend

5 km 10 km 13 mi 26 mi
May 2025
May
3
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
May
3
Saturday

The Best Races - Chicago Loop

5 km 10 km 13 mi
May
3
Saturday

Lincoln-Way Half Marathon

10 km 13 mi
May
4
Sunday

Great Western Half-Marathon & 10K

Trail Run 10 km 13 mi
May
4
Sunday

Chicagoland Spring Marathon

10 km 13 mi 26 mi
May
10
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
May
10
Saturday

The Best Races - Chicago Loop

5 km 10 km 13 mi
May
10
Saturday

Bridge the Gap to Health

5 km 10 km 13 mi
May
11
Sunday

Quad Cities Distance Classic

5 km 13 mi
May
18
Sunday

Chicago Spring Half Marathon

10 km 21 km
May
24
Saturday

Run for Heroes Half Marathon

5 km 10 km 13 mi
May
24
Saturday

Red Cedar Trail Half Marathon

Trail Run 13 mi 38 km
May
24
Saturday

The Best Races - Chicago Loop

5 km 10 km 13 mi
May
24
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
May
31
Saturday

Hometown Half Marathon - Chicago

5 km 10 km 13 mi
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