Trail Running calendar near Schaumburg 2025-2026

Zachariah's Acres Fall Run, Walk & Roll is a scenic event held in Oconomowoc, Wisconsin, featuring a 5K, half marathon, and a family-friendly 1-mile walk/roll. Set on 125 acres of natural beauty, the course includes tree-lined paths, wildflowers, prairie grass, ponds, and vibrant fall colors. The fa..

The Des Plaines River Trail Races, held in Lake County, Illinois, offer a scenic and fast trail running experience with distances including a Half Marathon, Marathon (Boston Qualifier), 50K, and 50 Mile ultra. Starting and finishing at Half Day Forest Preserve, the course features a flat, wide, crus..

Soul Crusher is a challenging trail running event held in Crystal Lake, Illinois, offering 5-mile and 10-mile distances. The course, designed by Jeff Lenard, is known as the toughest 5-mile loop in the Midwest, with runners able to complete one or two loops depending on their endurance. The race sta..

The Buckley 5 Miler is a scenic and challenging cross-country trail race held at the Buckley Homestead in Lowell, Indiana. The 5-mile course features a 2-mile loop on the north side of the park followed by a 3-mile loop through the park, finishing at the pioneer farm. Runners encounter a picturesque..

The Fancy Nonsense 25K/50K is a whimsical ultramarathon held in the Palos Trail System near Willow Springs and Lemont, Illinois, about 20 minutes from downtown Chicago. Runners can choose from 25K, 50K, or 5-mile distances on a mostly single-track, 5.5-mile loop course that starts and finishes at Re..

Among the Trees is an ultramarathon event held in Dousman, Wisconsin, featuring 100k and 50k race distances. Set within the scenic Southern Kettle Moraine Forest along the historic Ice Age Trail, the course offers runners a challenging and picturesque experience amid vibrant fall colors. Both races..

The Fast Track Cross Country Open is a 3-mile cross country running event held in Schaumburg, Illinois, on the MacNider course near Hoover Elementary School. Open to all ages and abilities, the event features separate women's and men's races. Participants can enjoy running on grass and have the opti..

The Forge Trail Run Festival, held in Lemont, Illinois, offers a challenging late-fall trail running experience with distances of 10K, 20K (half marathon), 30K, and 60K. The courses start and finish at The Forge and wind through single and double-track trails in the woods, gravel paths, and around t..

The Bigfoot Half Trail Run is a half marathon event held at Stoney Run County Park in Hebron, Indiana. Participants complete the race by running two loops around the park's trail. The course features two aid stations: one at the start/finish area and an unmanned station approximately 3.5 miles into..

The Bucks & Does 13.1 Pointer is a trail running event held in Nashotah Park, Wisconsin, featuring distances of 5K, 10K, and a half marathon (13.1 miles). The course is primarily wood-chipped with some grassy sections, shaded by trees for a comfortable run, and is run in a counterclockwise direction..

The Fast Eddie 50k, held at Lapham Peak in Delafield, Wisconsin, is an endurance event featuring a 50K ultra and a 5K race. The 50K consists of five loops on the scenic and challenging Blue Loop trail, known for its rolling terrain and beautiful woodland views. The 5K is an out-and-back course on th..

The Arctic Frog Run in Libertyville, IL, is a challenging endurance event held in early December, featuring distances of 50K, 25K, 15K, 10K, and 5K. The scenic course combines pavement, wooded, and crushed limestone trails around the Des Plaines River and Casey Trails, with rolling hills adding to t..

The Frozen Gnome is a challenging winter trail running event held in Crystal Lake, Illinois, at Veteran Acres park. Featuring a "Triple Black Diamond" rated course, the race offers a 50K ultra run, a 10K race, and relay options for teams of two or five. The course consists of a scenic 10K single-tra..

The Cereal Killer 15k Trail Run takes place at Red Mill County Park in La Porte, Indiana. This trail race features a 15-kilometer course marked with flags and signs, consisting of four loops. Participants are advised to follow course markings carefully rather than other runners.The event offers a fu..

ARKTOS is a challenging ultra running event held in Dousman, Wisconsin, featuring 6, 12, and 20-hour race options for solo runners or relay teams of up to four. Set in a cold, wooded environment with frozen ground, the race tests participants' endurance and mental toughness in potentially uncomforta..

The Tombstone 50 Trail Run is part of the Crazy Legs Race Series held at Sunset Hill Farm County Park in Valparaiso, Indiana. Scheduled for March 14, 2026, the event offers three challenging distances: 30k, 50k, and a newly added 50-mile race. The course features a new layout with more hills, includ..

The Muddy Shamrock @ The Forge is an annual trail running event held in Lemont, Illinois, featuring a Trail Half Marathon (approximately 13.1 miles) and a Trail Quarter Marathon (about 6.6 miles). The race courses wind through wooded single and double-track mountain bike trails and gravel paths arou..

False Spring Trail Runs, held in LaPorte, Indiana, offers challenging trail races on scenic, woodsy single-track paths featuring winding switchbacks and views of lakes and ponds. The event includes a 10K course, which is a single loop of the trails, and a Half Marathon consisting of two laps. The di..

The Skunk Ape 806/314 Trail Race, held at Lowell Park in Dixon, Illinois, is a unique endurance event featuring two main race distances: 33.75 miles to be completed in 8 hours and 6 minutes, and 13.5 miles in 3 hours and 14 minutes. The course consists of a 2.25-mile single-track loop through wooded..

The Earth Day 50k is a trail running event held in Crystal Lake, Illinois, at Veterans Acres Park. It offers three race distances: 50 kilometers, 15 miles, and 5 miles, all starting together on a 5-mile loop course featuring single track trails and rolling hills. The race emphasizes sustainability,..