Trail Running calendar near Brookfield 2025-2026

ERC John Hennelly Public Cross Country Races are held at Lovelace Park in Evanston, IL. The event features a three-lap, 3.5-mile cross-country course that weaves hills, open fields and varied terrain, offering a challenging run for individuals and teams. Races are open to runners forming teams of th..

Elver Park Trail Run is held at Elver Park in Madison, WI. The event features 10K, 5K Run/Walk, and a free 1K Kids Fun Run led by a friendly animal. All races begin and end behind the Main Shelter; the 5K uses the western half while the 10K continues to the east for its second half, with clear cours..

Bristol Woods Trail Run takes place in Bristol, Wisconsin at Bristol Woods County Park, hosted at the Pringle Nature Center (9800 160th Ave). The event offers a 5K Trail Run and a 2 Mile Walk, plus junior versions for participants 18 and under. The course runs along the park’s trails, described as a..

Warrior 5K & 8K...Through The Park is a fall trail running event held at Greenfield Park in West Allis, Wisconsin. The weekend offers a 5K Run, 8K Trail Run, a 2.25 Mile Walk, and team options for the 5K and 8K, with cross-country-style scoring across four divisions: White, Green, Black, and Silver...

The Fast Track Cross Country Open is a 3.05-mile race held in Schaumburg, Illinois, on the MacNider cross country course near Hoover Elementary School. Scheduled for November 9, 2025, it features separate women's and men's races open to all ages and abilities. The course consists of a short start fo..

Big Timber XC Challenge is an autumn trail race held at Camp Big Timber in Elgin, Illinois (Big Timber Road at Tyrrell Road). Runners can choose between a 3-mile Run/Walk (one loop) and a 5-mile Run (two loops), with the course featuring gravel roads, open grass, wooded paths, and a creek crossing w..

PROMixed XC Relay is held at Mitchell Park in Brookfield, Wisconsin (19900 River Road). The mixed-gender relay features four runners per team in the order male, female, male, female, with each athlete running 3000 meters. The event, backed by Performance Running Outfitters and USATF Wisconsin, serve..

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..

Fast Eddie 50k/5k takes place at Lapham Peak in Delafield, Wisconsin. The event offers a challenging 50K consisting of five loops on the Blue Loop, featuring rolling terrain and woodland scenery, alongside a 5K out-and-back on the same trails. Now in its inaugural 50K and fourth year for the 5K, the..

The Abominable Trail Race is an exciting autumn trail running event held annually at LG Ziplines and Adventures in Lake Geneva, Wisconsin. It features three race distances: 5K, 15K, and 30K, with the 30K available for individual runners or teams of 2 to 4 in relay format. Participants navigate chall..

The Quiet Silence 50k is an ultramarathon held in Lake Mills, Wisconsin, featuring an out-and-back course on the Glacial Drumlin State Trail. Starting at Rotary Park in Lake Mills, runners head west to the trail's terminus in Cottage Grove, covering a mostly flat, crushed gravel path. Participants h..

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 and a 10K race, both run on a scenic 10K single-track loop through Veteran Acres and Sterne’s Woods. Th..

Whitewalker Ultra 100k is a self-supported ultramarathon held in Palmyra, Wisconsin, starting at Emma Carlin Trailhead. The course comprises two 50k loops, first looping west on the Ice Age Trail to Whitewater and back, followed by a second loop to the Scuppernong Trails and back, totaling 100 kilom..

The Frozen Assets 5K Run/Walk is a unique winter event held in Madison, Wisconsin, where participants run or walk entirely on the frozen surface of Lake Mendota. The 5K course offers scenic views of downtown Madison and the University of Wisconsin-Madison campus. Starting and finishing at The Edgewa..

ARKTOS is a winter trail ultra in Dousman, Wisconsin, scheduled for February 28 - March 1, 2026. The event offers 6-hour, 12-hour, and 20-hour options, available for solo runners or relay teams of up to four people. Participants run loops on trails in the Southern Kettle Moraine Forest and attempt..

The Trailbreaker is scheduled for March 29, 2026, in Waukesha, WI, with the main venue at the Schuetze Recreation Center / Frame Park Baseball Stadium. The event has been hosted by the Park Foundation of Waukesha, Inc. since 2009 and is produced and managed by Silver Circle Sports Events, LLC under..

NK50k is a 50-kilometer point-to-point trail run organized by Greenbush Trail Runners in Greenbush, Wisconsin, along the Northern Kettle Moraine Ice Age Trail. The route runs from the Ridge Road Trailhead to the Greenbush Group Camp finish, with a bus shuttle transporting runners from finish to star..

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 environmental re..

Childish Nonsense is a trail running event held in Palatine, Illinois, at Deer Grove Forest Preserve West. It offers multiple distances: 10K, 25K, 50K, and 50 miles, with courses consisting of laps on a mostly wide, non-technical trail. Runners encounter a single aid station at the start/finish area..

The Sunset Safari 10k Trail Run is part of the annual Moonlight Meltdown event held in Belgium, Wisconsin. This hybrid trail run features a 6.2-mile course combining a 5-mile road segment with a 1.2-mile trail section through Harrington Beach State Park, following the Snow Runners LTD snowmobile tra..