Trail Running Calendar Illinois 2026-2027

We have found 61 Trailruns in Illinois. Check below where and when you can find the races.

Trail races of 5 km and 10 km at Wildlife Prairie Park near Hanna City, IL, with park admission included. The event features water stations, post-race snacks, awards by overall and age groups, and a member discount.

A trail marathon and a 10 mile race at Teason's Woods in Palos Hills on May 9, 2026, using the Sag Valley Trail. Wide horse trails, multiple aid stations, pre assigned race day packet pickup, and a unique wooden finisher medal.

A community trail event on May 30, 2026 in Springfield, IL featuring an 8 km course through the Lincoln Memorial Garden and a Kids Fun Run with short pond-side laps for three age groups.

Trail races at Giant City State Park on May 30, 2026 include a 5k, a half marathon and a 40k mostly on the Red Cedar Trail. Courses feature single track, technical sections, possible creek crossings, and marked aid stations.

Dirt Circus brings the trail running community together for a free festival in Crystal Lake. Enjoy a choice of group run distances, a vendor expo, food, and a raffle with prizes. Connect with local race directors and brands at this cupless,..

A cross country 5K across grass and campus trails at Lincoln Trail College plus a one mile kids run around the pond and through the woods. Awards include top male and female prizes and age group medals.

June 2026

This 5K run/walk raises funds for local cancer patients through the Pat Clark Cancer Foundation. The course follows the Rock Run Greenway Trail, starting and ending at Cemeno's Pizza. Registration is limited to 175 participants and includes..

Hickory Knolls Trail Run The event is the sixth annual Hickory Knolls Trail Run & Relay. It takes place at the Hickory Knolls Nature Area within James O. Breen Community Park in St. Charles, Illinois. The event is the second installment..

A 7.1 mile trail run around Lake Mingo at Kennekuk Cove County Park on June 13, 2026. The mostly trail course features hills, nine bridges, one aid station halfway and a post race party at the Hideaway Shelter.

A chip timed 5k at Mackinaw Valley Vineyard and Winery on June 14, 2026 featuring a two lap cross country style course, race swag and a wine pour, with age group awards and a virtual participation option.

This community 5K run/walk supports homeless school children in the Chicago suburbs. Participants follow a paved trail at the Vollmer Road Grove Forest Preserve. The event includes a virtual option and aims to raise funds for essential scho..

July 2026

Mark America's 250th birthday at the Freedom Run in Springfield's Centennial Park. Choose from a 5K, 10K, or a 1-mile fun run/walk on a course that starts atop a hill. Every finisher gets a commemorative shirt and medal.

A team-oriented cross country 5k in Carterville. Run on a grass-based course with team scoring for male, female, and mixed divisions. Awards go to the top 20 individual runners and the leading teams.

A multi-distance trail event at Camp Wokanda near Chillicothe IL featuring 100 mile, 50 mile, 50K and a half marathon on wooded single track with significant elevation and staffed aid stations.

Get ready for a wild summer 5K where the course sends you splashing down the middle of the Embarras River. With only 125 spots, this intimate trail race finishes with a steep hill climb and a fun post-race pancake and ice cream party.

August 2026

A multi distance trail running weekend at Camp Ondessonk in Ozark Illinois, featuring a figure eight loop through sandstone canyons and multiple waterfalls. The course is mainly single track with technical terrain and staffed aid stations.

Run the Rails offers a unique 1, 4, or 7-mile run starting from Prairie Park in Elburn. The courses cross a rail line bridge, providing views of the surrounding countryside. This community event supports the Elburn Parks Commission.

A summer trail event in Hudson, Illinois offering 12 hour last-person-standing, 6 hour, 3 hour and 1 hour timed runs plus an untimed option. The looped course is about 4.1 miles and some proceeds support Comlara parks.

The Summer Trail Classic offers three distances on the single-track trails of Paul Douglas Forest Preserve. It's the third race in a yearly trail series, with proceeds supporting local trail maintenance. Participants receive a running vest..

September 2026

An ultrarunning weekend at Sand Ridge State Forest offering 200K, 50K, and a 10K option, camping, flexible cutoffs, and awards including challenge coins and buckles. Registration closes August 25, 2026.