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

Sep

12

Chicago - Trail Running Festival

Beecher, Illinois, United States

$60.00 - $150.00

Trail running Running

5K 10K 20K 30K +2

Sep

12

Chicago Trail Running Festival

Beecher, Illinois, United States

$55.00 - $135.00

Trail running

4.8K 9.7K 19.3K 29K +2

Sep

12

Rocky Ledges 5K/10K Trail Run/Walk

Makanda, Illinois, United States

$30.00 - $35.00

Trail running

5K 10K

Oct

03

Autumn Leaf Run

Freeport, Illinois, United States

$25.00

Trail running

5K

Oct

23

Haunted Highlander Assault Trail Run

Pingree Grove, Illinois, United States

$75.00 - $80.00

Trail running

5K +13

Jan

23

Fox Valley Winter Challenge Trail Series 5K

Batavia, Illinois, United States

$35.00

Trail running

5K

Jan

23

Fox Valley Winter Challenge Trail Series 5k/8k/10k

Batavia, Illinois, United States

$40.00 - $115.00

Trail running

5K 8K 10K +3

May

02

Spring Stampede 5K/10K

Hanna City, Illinois, United States

Free - $35.00

Trail running Running

5K 10K Spring Stampede Volunteer for Packet Pick Up Spring Stampede Volunteer for Course Intersection Monitor +1

Aug

07

Highlander Assault Obstacle Race

Pingree Grove, Illinois, United States

$45.00 - $115.00

Obstacle race Trail running

Ultra 15K 5K 3K +37

Aug

30

Big Horse Vineyards 5K

Lewistown, Illinois, United States

Trail running Running

5K 1.6K +1

Aug

29

The Next Loop Endurance Series | Half Day Forest Preserve

Vernon Hills, Illinois, United States

Trail running

5K

Aug

15

The Next Loop Endurance Series - Busse Woods

Elk Grove Village, Illinois, United States

Trail running

5K