Logo

Trail Running Calendar Illinois 2026-2027

We have found 102 Trailruns in Illinois. Check below where and when you can find the races.

Spring Stampede 10k

Hanna City

Trail races at Wildlife Prairie Park in Hanna City, Illinois with 5K and 10K loop courses on maintenance trails and single track. Day park admission is included and the event features awards, post race snacks, and volunteer opportunities.

Great Western Half-Marathon & 10K

St. Charles

Flat out and back half marathon and 10 km on the limestone Great Western Trail, hosted by Fox River Trail Runners. Registration fees and donations support three local mental health charities.

F^3 Cap Sauers Trail Marathon

Palos Hills

Trail marathon and 10 mile on the Sag Valley Trail at Cap Sauers Nature Preserve in Palos Hills, IL, with wide horsetrail, notable elevation gain, and staffed aid stations along the routes.

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.