Trail Running calendar near Lake County 2025-2026

The Forrest Gump Hump 5K Trail Run is an exciting event taking place at Oak Ridge Prairie and Oak Savannah Trail in Griffith, Indiana. Scheduled for March 30, 2025, this trail run welcomes participants of all backgrounds and abilities, promoting an inclusive atmosphere. Runners can expect a challeng..

Run the Trailbreaker is an annual running event in Waukesha, Wisconsin, established in 1993. This community tradition features a variety of race distances, including a Marathon, Half-Marathon, 10K, 5K, and a Kiddos 1K, catering to runners of all levels. The event is organized by the Park Foundation..

Childish Nonsense is a whimsical running event taking place at Deer Grove Forest Preserve in Palatine, IL, featuring multiple race distances: 50 Miler, 50K, 25K, and 10K. The course consists of wide paths, making it accessible for participants of all levels. The event aims to foster a sense of commu..

The Earth Day 50K/15 Mile/5 Mile event, taking place in Crystal Lake, IL, offers participants a choice of three challenging race distances. Set in a scenic environment, the course features rolling hills and single-track trails, designed to provide an exhilarating experience for runners. The event pr..

The Prickly Pine Jackpot 24 Hour Solo/Relay is an exciting endurance running event taking place in the scenic Kettle Moraine State Forest. Participants can choose from various race formats, including 6-hour, 12-hour, and 24-hour solo or relay options. The course features three unique loops of differ..

The Great Western Half-Marathon & 10K, organized by the Fox River Trail Runners, is a well-established running event held on the scenic Great Western Trail. Celebrating over 25 years, this competitive race features a flat, out-and-back course, making it accessible for runners of all levels. Schedule..

The F^3 Cap Sauers Trail Marathon & 10 Mile is set to take place in Palos Hills, IL, on May 10, 2025. This event features a challenging marathon and a 10-mile race, both traversing the scenic Cap Sauers Holding Nature Preserve, the largest undeveloped area in Cook County. Participants will experienc..

The Chicago Yeti 7-11 Hour Endurance Run is a unique trail running event that combines endurance, camaraderie, and a fun atmosphere. Set in Willow Springs, Illinois, participants can choose between 7-hour and 11-hour challenges on a scenic 4-mile loop through the Palos Preserves. The course features..

Trail Run Xtreme is an exciting trail running event held in Portage, Indiana, featuring a challenging 12K trail race and a 3K kids race. Participants can expect a rugged course filled with roots, hills, and mud, designed to test their endurance and spirit. The event promotes camaraderie among runner..

Bong Backyards is an exciting trail and ultra running event scheduled for June 6, 2025, at the Richard Bong State Recreation Area in Brighton, WI. This event caters to runners of all skill levels, offering multiple race distances, including the challenging Backyard Ultra and the shorter Backyard 24...

The Kettle Moraine 100 Endurance Races is a premier ultra marathon event held annually in June, featuring a variety of race distances including 100 miles, 100 kilometers, 50 kilometers, and 38 miles. Established in 1996, this trail race showcases the scenic beauty of the Kettle Moraine region, with..

The Whitewater Trail Challenge is an exciting running event taking place on the scenic Ice Age Trail in Whitewater, Wisconsin. Scheduled for June 21, 2025, participants can choose from three distances: a 10K, a half marathon, and a 50K. The course features a mix of well-established trails and rollin..

The Trail Golf Endurance Challenge is a unique trail running event that combines endurance racing with a golf-inspired scoring system. Participants can choose between a 50K, 50K Relay, 10M, or 10M Relay, with each route consisting of multiple "Holes" of approximately 3-4 miles. Runners aim to achiev..

The Kishwauketoe 5K Cross Country Run is a community-focused running event taking place in Williams Bay, Wisconsin. Participants can choose between a 5K run/walk and a children's 1/4 mile walk/run for ages 10 and under. The course features scenic grass trails through hills, woods, and prairie, with..

The Jennie Hamilton Memorial 5 Mile Trail Run is an exciting running event taking place at Stoney Run County Park in Hebron, Indiana. Organized by the Crazy Legs Race Series, this trail run emphasizes a fun and challenging experience in a natural setting. Participants can expect a well-marked course..

The Oakadoke Trail Runs is a summer trail running event held in Valparaiso, Indiana, featuring three race distances: 18 miles, 9 miles, and 4 miles. Participants will navigate scenic, tree-covered single-track trails with various elevations and challenging terrain, including multiple bridge crossing..

The Chupacabra Endurance Run is a 10-hour race taking place at Bluhm County Park in Westville, Indiana, as part of the Crazy Legs Race Series in 2025. Participants will tackle a 3.4-3.5 mile loop, with the challenge of completing each loop within one hour to remain in the race. Runners can earn colo..

The Naperville Trails Half Marathon & 10K is a scenic running event taking place in Wheaton, Illinois, on September 6, 2025. Participants can choose between a half marathon and a newly introduced 10K distance, both of which traverse the beautiful crushed limestone trails of the Danada Forest Preserv..

The Mt. Baldhead Challenge is a premier multi-terrain race held in Saugatuck, Michigan, celebrating its 25th anniversary in 2025. Participants can choose between a 10K+ (approximately 7 miles) and a Half Marathon (13.1 miles), both featuring scenic woodland trails, sand dunes, and stunning waterfron..

Timely Nonsense is a unique running event taking place in Chicago, IL, featuring both 6-hour and 12-hour timed races. Participants can choose to run individually or as part of a relay team of two or four. The race is set in a scenic 58-acre park, where runners will navigate a 0.75-mile paved loop.Ea..