Trail Running calendar near Bristol 2025-2026

We have found 43 Trailruns within 80 miles of Bristol. See below where and when you can find the races.

Elver Park Trail Run takes place at Elver Park in Madison, Wisconsin. It offers three distances: a 10K, a 5K Run/Walk, and a free 1K Kids Fun Run. All races start and finish behind the Main Shelter.The 5K uses the West Side first before returning, while the 10K continues to the East Side for a secon..

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..

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..

The Forge Trail Run Festival takes place at The Forge: Lemont Quarries in Lemont, Illinois, a late‑fall Midwest trail event set among woods, gravel paths, and the historic Lemont Quarries and I&M Canal. Runners may choose from 10K, 20K (Half Marathon), 30K, or 60K distances. All races share a common..

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..

Orland Park Turkey Trot is a 2.5-mile chip-timed cross-country race in Orland Park, Illinois. The annual Thanksgiving morning event invites runners and walkers to traverse paved roads, paths, and wooded sections near the Village Hall, starting at the Franklin Loebe Center (14650 S Ravinia Ave). It h..

December 2025

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..

January 2026

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..

February 2026

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 ultramarathon held in Dousman, Wisconsin, inside the Southern Kettle Moraine Forest. It offers 6 hour, 12 hour, and 20 hour options for solo runners or relay teams of up to four, with participants completing as many loops as possible in the allotted time. The event fosters a rugge..

March 2026

Muddy Shamrock @ The Forge is a trail running event held at The Forge: Lemont Quarries in Lemont, Illinois. The race offers two distances: Trail Half Marathon (about 13.1 miles, run as two laps) and Trail Quarter Marathon (about 6.6 miles, one lap) on wooded single- and double-track trails around th..

April 2026

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..

May 2026

The Prickly Pine Jackpot 24 Hour Solo/Relay is an endurance running event held in the scenic Kettle Moraine State Forest near Dousman, Wisconsin. Participants can choose from multiple race options including 6-hour, 12-hour, and 24-hour solo races, as well as 12-hour and 24-hour relays. The course fe..

Set in Palos Hills, Illinois, the F^3 Cap Sauers Trail Marathon & 10 Mile runs through the Cap Sauers Holding Nature Preserve, the largest tract of undeveloped land in Cook County. The event offers two distances: a marathon (26.2 miles) and a 10-mile option. The course uses the Sag Valley Trail syst..