Trail running Race Calendar in Illinois, United States

Central Illinois Summer Trail Series #1

Peoria, Illinois, United States

12 Jun, 2026 (Fri)

$25.00

Trail running

6.4K

Fox Valley Summer XC Classic 5K

Geneva, Illinois, United States

13 Jun, 2026 (Sat)

$40.00

Trail running

5K

The Universal Sole Summer Trail Challenge

Willow Springs, Illinois, United States

27 Jun, 2026 (Sat)

$60.00

Trail running

4.8K 9.7K 14.5K

Central Illinois Summer Trail Series #2

Metamora, Illinois, United States

10 Jul, 2026 (Fri)

$25.00

Trail running

8K

Central Illinois Summer Trail Series #3

Washington, Illinois, United States

07 Aug, 2026 (Fri)

$25.00

Trail running

8K

The Next Loop 40M/50M Challenge | Deer Grove East

Palatine, Illinois, United States

08 Aug, 2026 (Sat)

$200.00

Trail running

Ultra

Watershed Endurance 6Hr/3Hr Runs

Edwardsville, Illinois, United States

08 Aug, 2026 (Sat)

$45.00 - $65.00

Trail running

1.6K

The Next Loop Endurance Series | Deer Grove East

Palatine, Illinois, United States

08 Aug, 2026 (Sat)

$90.00

Trail running

Ultra

Highlander Assault Obstacle Race

Pingree Grove, Illinois, United States

15 Aug, 2026 (Sat)

$60.00 - $120.00

Obstacle race, Trail running

5K 15K Ultra 3K +35

The Next Loop Endurance Series - Busse Woods

Elk Grove Village, Illinois, United States

15 Aug, 2026 (Sat)

$90.00

Trail running

5K

Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run

Hudson, Illinois, United States

22 Aug, 2026 (Sat)

$15.00 - $30.00

Trail running

Ultra 41K 20.5K 6.8K

The Next Loop Endurance Series | Half Day Forest Preserve

Vernon Hills, Illinois, United States

29 Aug, 2026 (Sat)

$90.00

Trail running

5K