Trail Running calendar near Geneva 2025-2026

The Tryon Farm 50k is a trail running event held at Tryon Farm in Michigan City, Indiana. The course features an 8-loop 4-mile trail that includes open grassy fields, single-track dirt trails, and small pavement sections connecting different parts of the trail system. The event offers multiple dista..

Hindsight Ultra Trail Runs, held in Dixon, Illinois, offers a grassroots ultra running experience with distances of 25K, 50K, 100K, and 100 miles. The course features a 7.85-mile loop combining roughly 50% singletrack, 30% grassy meadows, and 20% gravel paths, with about 6,200 feet of elevation gain..

The Hennepin Hundred is Illinois' only point-to-point, all-trail ultramarathon, taking place along the scenic Hennepin Canal State Trail. Scheduled for October 4-5, 2025, this event features multiple race distances, including a 100-mile, 50-mile, and 50K, making it suitable for both seasoned ultraru..

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 an exciting trail running event taking place in Crystal Lake, IL, featuring challenging 10-mile and 5-mile courses designed by Jeff Lenard. Known for its tough terrain, the race promises to test participants' limits, with a playful warning that it may "crush your soul." Runners can e..

The Fancy Nonsense 25K/50K is a whimsical running event designed to bring joy and laughter to participants while challenging their physical and mental limits. Set in the scenic Palos Trail System near Chicago, the race features a 5.5-mile loop course primarily on single track trails. Runners can cho..

Among the Trees is a scenic running event scheduled for October 25, 2025, in Dousman, Wisconsin. Participants can choose between two challenging distances: 100k and 50k, both set against the beautiful backdrop of the Southern Kettle Moraine Forest along the historic Ice Age Trail. The race begins at..

The Forge Trail Run Festival, scheduled for November 15, 2025, in Lemont, IL, features a variety of trail running events including 10K, 20K (Half Marathon), 30K, and 60K races. Participants will navigate single and double-track trails through scenic woods and gravel paths around the historic Lemont..

The Bigfoot Half Trail Run is a half marathon trail race held at Stoney Run County Park in Hebron, Indiana. Participants complete the distance by running two loops around the park. The course features two aid stations: a manned station at the start/finish area and an unmanned station approximately 3..

The Arctic Frog Run in Libertyville, IL, is a beginner-friendly endurance race featuring multiple distances, including 50K, 25K, 15K, 10K, and 5K. The scenic course combines pavement, wooded trails, and crushed limestone paths along the Des Plaines River and Northwest Casey Trails. Participants can..

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-track..

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 quiet, cold forest environment with frozen ground, the race tests participants' endurance and mental toughness in potentially unco..

The Tombstone 50 Trail Run, part of the Crazy Legs Race Series, takes place at Sunset Hill Farm County Park in Valparaiso, Indiana. The event features three challenging distances: 30k, 50k, and a newly added 50-mile race, all on a new course with more hills, including the notable "Roller Coaster" hi..

The Skunk Ape 806/314 Trail Race, held at Lowell Park in Dixon, Illinois, offers challenging trail running events on March 21, 2026. Participants can choose between a 33.75-mile race to be completed in 8 hours and 6 minutes, a 13.5-mile race with a 3 hour and 14 minute limit, or a relay option. The..

The Earth Day 50k event takes place in Crystal Lake, Illinois, at Veterans Acres. It offers three race distances: 50K, 15 miles, and 5 miles, all starting together on a 5-mile loop course featuring single track trails and rolling hills. The race emphasizes a "landfill free" approach, encouraging par..