Illinois close

Illinois Trail Running Calendar 2026-2027

Header image

Explore the best trail runs in Illinois for 2026-2027! Our updated list features 86 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

November 2026
Nov
26
Th

Rockford Road Runners Thanksgiving Turkey Trot

Trail Run 5 km
Nov
26
Th

Winnetka Turkey Trot

Trail Run 5 km
Nov
26
Th

Orland Park Turkey Trot

Trail Run 3 mi
Nov
28
Sa

FOLEPI River Trail Classic

Trail Run 4 mi
Nov
29
Su

ERC John Hennelly Public Cross Country Races

Trail Run 4 mi
Monthly updates for Illinois

Get new running races (and updates) in your inbox every month.
December 2026
Dec
5
Sa

Da Deer Run Run

Trail Run 4 km 8 km
Dec-Mar
5-6
Sa

Yeti Winter Trail Series

Trail Run 5 km 10 km 15 km 20 km
Dec
12
Sa

Pere Marquette Endurance Trail Run

Trail Run 8 mi
Dec
13
Su

Localz 50K

Trail Run 50 km
January 2027
Jan
9
Sa

Frozen Gnome

Trail Run 10 km 50 km
Jan
23
Sa

Fox Valley Winter Challenge Trail Series

Trail Run 5 km
February 2027
Feb
20
Sa

Fox Valley Winter Challenge Trail Series

Trail Run 8 km
March 2027
Mar
13
Sa

Muddy Shamrock @ The Forge

Trail Run 7 mi 13 mi
Mar
14
Su

Fox Valley Winter Challenge Trail Series

Trail Run 10 km
Mar
27
Sa

Skunk Ape 806/314 Trail Race

Trail Run 14 mi 23 mi 34 mi
Mar
27
Sa

Clinton Lake Ultra

Trail Run 10 mi 30 mi
April 2027
Apr
8-11
Th - Su

Potawatomi Trail Runs

Trail Run 10 mi 30 mi ... 150 mi 200 mi
Apr
17
Sa

Earth Day 50k

Trail Run 5 mi 15 mi 50 km
Apr
24
Sa

Childish Nonsense

Trail Run 6 mi 25 km 50 km 50 mi
May 2027
May
2
Su

Spring Stampede 10k

Trail Run 5 km 10 km
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.