Race Discovery

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

813 events found

Lace Up for a Cause: For A Better Tomorrow (Fbt) 5K & 2K logo
May
08

Lace Up for a Cause: For A Better Tomorrow (Fbt) 5K & 2K

Bloomington, Illinois, United States
$10.00 - $15.00
Running
5K 2K
Quarryman Challenge logo
May
08

Quarryman Challenge

Lemont, Illinois, United States
$40.00 - $60.00
Running
16.1K 5K
Pink 5k Oak Brook Park District logo
May
08

Pink 5k Oak Brook Park District

Oak Brook, Illinois, United States
$25.00
Running
5K
Run for Chocolate 5k/10k/13.1 Chicago/Evanston logo
May
08

Run for Chocolate 5k/10k/13.1 Chicago/Evanston

Chicago, Illinois, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +8
Starved Rock Country Marathon logo
May
08

Starved Rock Country Marathon

Ottawa, Illinois, United States
$45.00 - $120.00
Running
Marathon Half-Marathon 10K 5K +2
Barrington Mother's Day 5K Run/Walk logo
May
09

Barrington Mother's Day 5K Run/Walk

Barrington, Illinois, United States
Free - $49.99
Running Walking
5K Kids Dash +3
Run for D103 5K Run/Walk logo
May
15

Run for D103 5K Run/Walk

Lincolnshire, Illinois, United States
Free - $25.00
Running
5K Sibling Shuffle
Kenilworth Memorial Day 3.5k (2.2 Mile) Run / Walk logo
May
16

Kenilworth Memorial Day 3.5k (2.2 Mile) Run / Walk

Kenilworth, Illinois, United States
Free
Running
Kids Run - Townley Field Loop 5K
Walk & Roll Chicago logo
May
22

Walk & Roll Chicago

Chicago, Illinois, United States
Free - $35.00
Walking Running Nordic ice skating Cycling
5K 10K 15K Adult Fundraiser Only +10
Frontline Ocr logo
May
22

Frontline Ocr

Byron, Illinois, United States
$39.00 - $550.00
Obstacle race Running
10K 5K 1.6K +12
Goose Creek Classic logo
May
29

Goose Creek Classic

Odin, Illinois, United States
Free - $25.00
Running Walking
5K 10K 2.5K 1K
Onarga Ala Poppy 5K logo
May
29

Onarga Ala Poppy 5K

Onarga, Illinois, United States
$30.00
Running
5K