Race Discovery

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

896 events found

Run Omaha Race Series
Dec
31

Run Omaha Race Series

Lake Zurich, Illinois, United States
Running
5K
Day 1 Run logo
Jan
01

Day 1 Run

Lake Zurich, Illinois, United States
Free
Running
Day 1 Run 5K 10K Half-Marathon
Way of Lights Run logo
Jan
01

Way of Lights Run

Belleville, Illinois, United States
$20.00 - $30.00
Running Walking
5K 2.4K
Cheers to New Year's Virtual 5K logo
Jan
01

Cheers to New Year's Virtual 5K

Itasca, Illinois, United States
$25.00
Running
5K
Cheers to New Year's 5k Run/Walk logo
Jan
01

Cheers to New Year's 5k Run/Walk

Itasca, Illinois, United States
$30.00
Running
5K
Time Travel Half-Marathon/5K/10K - Greater Chicago logo
Jan
02

Time Travel Half-Marathon/5K/10K - Greater Chicago

Chicago, Illinois, United States
$17.00 - $72.00
Running
Kid's Dash 1.6K 5K 10K +3
Snowman Shuffle logo
Jan
02

Snowman Shuffle

Carterville, Illinois, United States
$30.00
Running
5K
Mlk Jr. Freedom Run 5K/10K/13.1 Chicago/Evanston logo
Jan
16

Mlk Jr. Freedom Run 5K/10K/13.1 Chicago/Evanston

Chicago, Illinois, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
Cabin Fever Winter Running Series logo
Jan
23

Cabin Fever Winter Running Series

O Fallon, Illinois, United States
$20.00 - $80.00
Running
Cabin Fever Winter Series 8K 6.4K 5K +1
Run for Donut Chicago/Evanston logo
Jan
30

Run for Donut Chicago/Evanston

Chicago, Illinois, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +8
Coffee Lover Run Chicago/Evanston logo
Jan
30

Coffee Lover Run Chicago/Evanston

Chicago, Illinois, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +8
18th Annual F^3 Lake Half Marathon & 5k logo
Jan
30

18th Annual F^3 Lake Half Marathon & 5k

Chicago, Illinois, United States
$59.00 - $90.00
Running
Half-Marathon 5K