Illinois close

Illinois Running calendar 2024-2025

Header image

Explore the best running races in Illinois for 2024-2025! Our updated list features 171 exciting races across the state. Find your next race in Illinois below and join the running community at these great events!

September 2025
Sep
1
Monday

Water for Life 5k

5 km
Sep
7
Sunday

Rock and Run for Mental Health

5 km
Sep
13
Saturday

The Last Boyscout

Backyard Ultra 4 mi
Sep
13
Saturday

Morton Pumpkin Classic

2 mi 10 km
Sep
13
Saturday

Wild Wild Wilderness

Trail Run 5 km 7 km
Sep
14
Sunday

Timely Nonsense - Chicago, IL

Backyard Ultra 6 hr 12 hr
Sep
14
Sunday

Big Horse 5K

Trail Run 5 km
Sep
21
Sunday

Fox Valley Marathon Races

5 km 13 mi 20 mi 26 mi
Sep
21
Sunday

St. Veronica 6k Run/Walk for Scholarships

6 km
Sep
21
Sunday

Carlyle Lake Triathlon

Triathlon
Sep
27
Saturday

Lawndale 5K

5 km
Sep
27
Saturday

Midwest OCR

Obstacle Run 5 km 10 km
Sep
27-28
Sa - Su

Quad Cities Marathon

5 km 10 km 21 km 42 km
Sep
28
Sunday

DeKalb Corn Classic

5 km 10 km
Sep
28
Sunday

Lester Fun Run

5 km
October 2025
Oct
4-5
Sa - Su

The Hennepin Hundred

Trail Run 50 km 50 mi 100 mi
Oct
4
Saturday

Castle Creek Triathlon

Triathlon
Oct
4
Saturday

Scarecrow Scramble

5 km
Oct
5
Sunday

Cheesy Pretzel 5K

5 km
Oct
11-12
Sa - Su

Arrowhead Endurance Run

Backyard Ultra 3 hr 6 hr 12 hr 24 hr