Race Discovery

5K races in Illinois, United States — 2026 running calendar

813 events found

Project 61 5K Fundraiser logo
Aug
22

Project 61 5K Fundraiser

Sullivan, Illinois, United States
Running
5K
Au Sable Grove 5k fun run/walk logo
Aug
22

Au Sable Grove 5k fun run/walk

Yorkville, Illinois, United States
Running
5K
Mansfield 5K Run & Walk logo
Aug
22

Mansfield 5K Run & Walk

Mansfield, Illinois, United States
Running
5K
Strawfest Strut 5K logo
Aug
22

Strawfest Strut 5K

Mount Morris, Illinois, United States
Running
5K
Parkie’s 5K logo
Aug
22

Parkie’s 5K

Bolingbrook, Illinois, United States
Running
5K
Alpine Races 5k and 10 Mile logo
Aug
16

Alpine Races 5k and 10 Mile

Lake Zurich, Illinois, United States
Running
16.1K 5K 1.6K
"Boo" Milby Memory 5k Run/Walk logo
Aug
15

"Boo" Milby Memory 5k Run/Walk

La Salle, Illinois, United States
Running
5K
2026 Father Jerry 5K logo
Aug
15

2026 Father Jerry 5K

Olney, Illinois, United States
Running
5K 1.6K
Cookie Run 5K/10K/13.1 Chicago/Evanston logo
Aug
15

Cookie Run 5K/10K/13.1 Chicago/Evanston

Chicago, Illinois, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +8
Hull of a Race logo
Aug
15

Hull of a Race

Hull, Illinois, United States
Running Walking
0.4K 5K 10K
Lena Brew Run 5k logo
Aug
15

Lena Brew Run 5k

Lena, Illinois, United States
Running
5K
Prostate Cancer Awareness 5K Walk/Run/Bike-Most Worshipful Prince Hall Grand Lodge of IL (one race four locations simulantaneously) logo
Aug
15

Prostate Cancer Awareness 5K Walk/Run/Bike-Most Worshipful Prince Hall Grand Lodge of IL (one race four locations simulantaneously)

Chicago, Illinois, United States
Running
5K