Williams Bay
Trail Running Calendar near Williams Bay 2026-2027
Explore the top trail runs near Williams Bay for 2026-2027! We've gathered 26 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Echo 136 is a 136 mile point to point journey along the Ice Age State Trail in Wisconsin featuring 11,148 feet of elevation gain and a 55 hour time limit.
Community trail run and family fun day in Fort Atkinson, Wisconsin raising funds for A-T research with a 5k, kids races, inflatable sprint and virtual options.
An ultrarunning event at Richard Bong State Recreation Area offering 24h, 12h, 6h, and 3h formats, including a backyard 12-hour loop race and inclusion-focused entry options.
October 2026
Trail running and a guided perimeter walk at Rock River Heritage County Park with a timed 5K using chip timing and a heritage celebration with food trucks and live music.
Nature-based out-and-back event in Roscoe, IL offering a 5K run or 2 mile walk on mixed gravel and crushed limestone, starting at Roscoe Middle School and passing a water station twice.
Experience a single track trail adventure through Veteran Acres and Sternes Woods in Crystal Lake featuring 5 and 10 mile distances and custom skeleton medals.
A fall event at Richardson Adventure Farm in Spring Grove, IL with a 10K, a 5K through a corn maze, and a 1 mile family adventure, plus finisher medals for all.
October running event at Optimist Community Park in Janesville offering 1 mile and 5K courses with proceeds to Momentum Track and Cross Country Club.
November 2026
A multi-distance trail event in Southern Kettle Moraine State Forest offering ultra distances, a 50K and a 15K Fun Run, with aid stations, pacing rules, finisher awards, and proceeds funding forest projects.
The 14th annual Frosty Rock Challenge in Fort Atkinson offers a 12k, a 5k and a free 1 mile walk run with proceeds supporting local and international Rotary projects.
A trail event at Pringle Nature Center on November 7, 2026 offering a 5K run and 2 mile walk with fees supporting environmental education.
On 11/14/2026 the Abominable Trail Race at Lake Geneva Ziplines & Adventures offers 5K, 10K, 15K and 30K courses plus 2, 3 or 4 person 30K relays on forest trails, with water stations, race shirt, finisher medal and free action photos.
December 2026
Experience a technical trail race in Lake Geneva featuring 4 and 8 mile distances designed for both solo runners and Canicross enthusiasts with their dogs.
January 2027
Winter trail races in Crystal Lake IL with a 10K loop repeated for a 50K, plus 2 and 5 person relay options and on-course aid at Veteran Acres.
Conquer a winter obstacle course in Lake Geneva with distances ranging from 5K to 20K plus a dedicated kids race and a festive basecamp with fire pits.
April 2027
Trail races in Crystal Lake, IL on a 5 mile loop offering 50K, 15 mile and 5 mile distances with an aid station and age group awards.
May 2027
Nighttime obstacle race in Pingree Grove, IL with multiple 5K heats and a 30K unlimited laps option, illuminated obstacles, live entertainment, and onsite parking.