Trail Running calendar near Monticello 2025-2026

We have found 16 Trailruns within 80 miles of Monticello. See below where and when you can find the races.

Run the Kennekuk Road Runners Siberian Express, a 7.45 mile winter trail through Kickapoo State Park with steep climbs, creek crossings and wildlife. First 150 finishers receive awards and post race festivities are at Vermilion Brewing.

February 2026

Take on the Frozen Cock's Crow 5K, a wintry route through rugged, steep trails at Willenborg Woods near Charleston, Illinois. Expect technical climbs, friendly trail support and a warm post race celebration to reward your effort.

March 2026

Celebrate the 16th Cactus Classic Trail Races on Mar 7, 2026 at Sand Ridge State Forest in Manito, IL. Choose marathon, half marathon or 10K and run scenic sandy pine trails dotted with wild cactus for a memorable spring trail experience.

Run scenic single track loops around Clinton Lake near DeWitt, IL through forests, hills and meadows with a bridge connecting the course. Choose the 30 Miler or 10 Mile, enjoy post race food and a long sleeved finisher item.

April 2026

Potawatomi Trail Runs in Pekin IL celebrates 25 years with distances from 10 to 200 miles. Run scenic 10 mile single track loops through prairies and creeks, and earn shirts, medals, buckles and jackets for the longest finishes.

Enjoy scenic road and trail courses at Allerton Races in Monticello with a Half Marathon, 10K and a nighttime Trail Glo 5K. Proceeds benefit Robert Allerton Park and Make A Wish Illinois, and virtual options are available.

May 2026

Run a scenic 8K through Lincoln Memorial Garden on May 30, 2026, with trails along Lake Springfield and the Ostermeier Prairie Center. Family friendly Kids Fun Runs, finisher shirts, and wooden medallions make this a great spring outing.

June 2026

Join the 28th annual Lake Mingo Trail Run on June 13, 2026 at Kennekuk Cove County Park, a scenic 7.1 mile loop mostly on natural trails with rolling hills and nine bridges. Celebrate afterward with food, beer, and great trail camaraderie.

July 2026

Take on a rugged 5K at Willenborg Woods in Charleston with winding trails, a one third mile river crossing and about 1,100 feet of climbing up Billy Goat Hill. Field is limited to 125 and finishers get pancakes and ice cream.

August 2026

Run a scenic 10k around Stryker Lake at Griffin Bike Park with rolling hills, wide trails and two friendly laps that make passing easy. Camping at Fowler Park and the concurrent DINO Gravel Triathlon create a lively event atmosphere.

September 2026

Temptation 200 Ultras at Sand Ridge State Forest near Forest City, Illinois on Labor Day weekend offers tough single loop terrain and distances from 50K to 200K. Camping at the start and a 40 hour cutoff make it welcoming for ultra runners.

Hit the Wild Wild Wilderness at Kickapoo State Recreation Area on September 12, 2026 with 5K or a rugged 7.45 mile trail through woods, steep climbs and creek crossings. Celebrate finishes with food, drinks and awards.

Hit the fast rolling Sand Creek trails near Decatur with 4.4 or 7.6 mile options, in person or virtual. Enjoy a technical long sleeve shirt, finisher medal and snacks while supporting the Special Operations Warrior Foundation.

October 2026

Run The Woods in Hudson IL offers scenic trail 5K and 8K races plus untimed family walks, welcoming youth and adult participants. Proceeds benefit Easterseals Central Illinois and Timber Pointe to help kids of all abilities attend camp.

Shake Your Trail Feather Trail Run (Oct 16 to 17, 2026) invites runners to explore single track trails, creeks and hills in Willenborg Woods, with distances 5K to 100K. Finishers can join a community celebration and enjoy on course support.

Enjoy the Allerton Park Trail Run on October 25, 2026 at Robert Allerton Park in Monticello Illinois, featuring a scenic 5.7 mile riverside trail, a relaxed 2 mile nature walk, and a virtual option. Proceeds support park upkeep and the day..