Illinois Half Marathon Calendar 2025-2026

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Explore the best half marathons in Illinois for 2025-2026! Our updated list features 29 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

November 2025
Nov
1
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Nov
2
Sunday

Ooh Lala Chocolate Run Walk

5 km 10 km Half Marathon
Nov
2
Sunday

Dam Site Run

Half Marathon
Nov
8
Saturday

Springfield Marathon

10 km Half Marathon Marathon
Nov
15
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Nov
22
Saturday

Turkey Trot - Decatur

5 km 10 km Half Marathon
Nov
29
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Nov
29
Saturday

Schaumburg Turkey Trot Half Marathon

5 km 13 mi
December 2025
Dec
13
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
Dec
13
Saturday

The Best Races - Evanston

5 km 10 km 13 mi
Dec
27
Saturday

The Best Races - Chicago

5 km 10 km 13 mi
January 2026
Jan
3
Saturday

Bodies Race Company - Chicago

5 km 10 km Half Marathon
Jan
31
Saturday

F3 Lake Half Marathon

5 km Half Marathon
February 2026
Feb
14
Saturday

Fly with the Eagles Half Marathon

Half Marathon
March 2026
Mar
7
Saturday

Cactus Classic Trail Races

Trail Run 10 km Half Marathon Marathon
Mar
14
Saturday

Muddy Shamrock @ The Forge

Trail Run 7 mi 13 mi
Mar
15
Sunday

March Madness Half Marathon

Half Marathon
Mar
28
Saturday

Rend Lake Marathon

10 km Half Marathon Marathon
April 2026
Apr
4
Saturday

Chi Town Half Marathon

10 km Half Marathon
Apr
11
Saturday

Lincoln Presidential Half Marathon

13 mi
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