Trail Running calendar near Brighton 2024-2025

The Frigid Fox Ultra Trek will take place in New Prospect on Saturday 11 January 2025.

The 50K Mashup Slam is a series of challenging 50K trail races held throughout the Midwest, designed to celebrate the often-overlooked distance in ultrarunning. Kicking off in January with the Frozen Gnome 50K and concluding in November with the Miner 49er 50K, participants who complete all five rac..

The Frozen Gnome is a challenging winter running event taking place in Crystal Lake, IL, featuring a scenic and demanding triple black diamond course. Participants can choose between a 50K ultra run or a 10K race, both set in the picturesque Veteran Acres and Sterne’s Woods. The 50K consists of five..

The F^3 @ the Forge: Fat Tire Race & 10K Trail Run is set for January 12, 2025, at The Forge: Lemont Quarries in Lemont, Illinois. This exciting winter event features a variety of races, including a long course (approximately 20K) and a short course (about 10K) for fat tire biking, as well as a 10K ..

The Frozen Assets 5K Run/Walk, organized by Clean Lakes Alliance, invites participants to experience a unique running event on the frozen surface of Lake Mendota in Madison, Wisconsin. This event features both a chip-timed 5K and an untimed walking option, allowing participants of all skill levels t..

The Bald Unyielding Twilight Trail Trial is an exciting ultra-running event taking place at the Bald Hill Prairie Preserve in Mount Morris, Illinois. Scheduled for February 22-23, 2025, this unique race features timed events of 3, 6, and 12 hours, allowing participants to test their endurance in the..

ARKTOS is an ultra-running event taking place in Dousman, Wisconsin, from February 22 to 23, 2025. The event features various race formats, including 6-hour, 12-hour, and 20-hour options for both solo runners and relay teams of up to four participants. With a cap of 160 runners, the race is expected..

The Muddy Shamrock @ The Forge is an exciting trail running event scheduled for March 15, 2025, in Lemont, Illinois. This annual race features two main events: a Trail Half Marathon and a Trail Quarter Marathon, both set against the scenic backdrop of the historic Lemont Quarries. Participants will ..

The NK50k is an annual trail running event held in Greenbush, Wisconsin, featuring a scenic point-to-point course along the Northern Kettle Moraine Ice Age Trail. Participants can expect a fun and challenging experience, with aid stations providing water, sports drinks, and snacks throughout the rou..

The Trailbreaker is a running event scheduled for April 6, 2025, in Waukesha, Wisconsin. It features a variety of race options, including a marathon along the scenic Glacial Drumlin Trail, a half marathon, 10K, 5K, a walking event, and a Kiddos 1K for children. This event not only promotes fitness a..

The Earth Day 50K/15 Mile/5 Mile event, taking place on April 26, 2025, in Crystal Lake, IL, offers participants a choice of three race distances. The course features a scenic 5-mile loop through single track and rolling hills, designed to challenge runners while promoting a landfill-free environmen..

Childish Nonsense is a whimsical running event taking place at Deer Grove Forest Preserve in Palatine, IL. Participants can choose from various distances, including a 50 Miler, 50K, 25K, and 10K, all set on a wide, non-technical trail. The event aims to foster a sense of community and joy in ultraru..

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 a running event scheduled for May 10, 2025, in Palos Hills, Illinois. Participants can choose between a full marathon (26.2 miles) and a 10-mile race, both set within the scenic Cap Sauers Holding Nature Preserve, the largest undeveloped area in Cook Co..

The Chicago 7-11 Hour Endurance Run is an exciting trail running event taking place at Wolf Road Woods in Willow Springs, IL. Participants can choose between a 7-hour or an 11-hour endurance challenge, navigating a scenic 4-mile loop through restored forests and historic preserves. The event emphasi..

The Sugar Badger 50/50 and Half is a scenic running event taking place in Belleville, Wisconsin, featuring a 50-mile, 50K, and half marathon distance. The race is set on the flat and soft rail trails of the Badger State Trail and the Sugar River State Trail, offering participants beautiful views, tr..

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 in the scenic Kettle Moraine region, featuring a variety of race distances including 100 miles, 100k, 50k, and 38 miles. Established in 1996, this trail race showcases the beautiful Ice Age Trail, with 65 miles of the cour..

The Whitewater Trail Challenge is an exciting running event taking place on June 21, 2025, in Whitewater, Wisconsin. Participants can choose from three race distances: a 10K, a half marathon, and a 50K, all set against the stunning backdrop of the Ice Age Trail, a 1,200-mile scenic footpath. The cou..

The Naperville Trails Half Marathon and 10K is an annual running event held in Wheaton, Illinois, featuring a scenic course through the Danada Forest Preserve. Participants can choose between a half marathon or a new 10K distance, both of which are USATF certified. The event celebrates its 15th anni..