Illinois Running calendar 2024-2025

Explore the best running races in Illinois for 2024-2025! Our updated list features 98 exciting races across the state. Find your next race in Illinois below and join the running community at these great events!

May 2025
May
4
Sunday

Chicagoland Spring Marathon

10 km 13 mi 26 mi
May
4
Sunday

Great Western Half-Marathon & 10K

Trail Run 10 km 13 mi
May
10
Saturday

Kirby Derby

5 km 10 km
May
10
Saturday

F^3 Cap Sauers Trail Marathon

Trail Run 10 mi 26 mi
May
17
Saturday

Galena Sky Trail Races

Backyard Ultra 4 hr 8 hr
May
24
Saturday

Frontline OCR

Obstacle Run 75 mi 80 mi 85 mi 90 mi
May
31
Saturday

Elsa Chicken Plucker Backyard Ultra

Backyard Ultra 4 mi
June 2025
Jun
1
Sunday

Run for the Zoo

5 km 10 km
Jun
7
Saturday

River Bottom Country Runs for St Jude

5 km 13 mi
Jun
14
Saturday

Steamboat Classic

4 mi 15 km
Jun
28
Saturday

Savage Race - Chicago

Obstacle Run 3 mi 7 mi
July 2025
Jul
18
Friday

Pinetum Mind Games Endurance Event

Backyard Ultra 6 hr 12 hr 24 hr
August 2025
Aug
9
Saturday

Chupacabra Trail Races

Trail Run 5 mi 10 mi 15 mi
Aug
23-24
Sa - Su

Tough Mudder - Chicago

Obstacle Run 5 km 15 km
Aug
23-24
Sa - Su

Shawnee Hills Trail Races

Trail Run 13 mi 50 km 100 km 100 mi
September 2025
Sep
13
Saturday

Morton Pumpkin Classic

2 mi 10 km
Sep
27
Saturday

Midwest OCR

Obstacle Run 5 km 10 km
October 2025
Oct
4-5
Sa - Su

The Hennepin Hundred

Trail Run 50 km 50 mi 100 mi