Williams Bay
Trail Running Calendar near Williams Bay 2026-2027
Explore the top trail runs near Williams Bay for 2026-2027! We've gathered 20 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Awarded OCR Buddy People's Choice, Highlander Assault in Pingree Grove IL offers 3K, 5K and 15K obstacle heats plus night and haunted 5K events.
A mud obstacle event on August 29, 2026 at Richardson Adventure Farm offering 5K, 15K, timed Infinity laps, Mudder Village, and finisher rewards.
September 2026
A 136 mile trail ultramarathon in Whitewater Wisconsin along the Ice Age State Trail with nine stocked aid stations and about 11,148 feet of elevation gain.
A 10th annual farm-based 5k trail run and family day in Fort Atkinson, WI supporting A-T research with in-person and virtual participation options.
Backyard Nonsense on September 26, 2026 at Richard Bong State Recreation Area offers 24 hour and shorter timed trail races, including a Backyard 12 loop format.
October 2026
Trail events at Rock River Heritage County Park on October 3, 2026 include a timed 5K with chip timing and a guided 2.4 mile walk, plus a park celebration with music, food trucks, tastings, and raffles.
Trail race in Crystal Lake on October 17, 2026 with 5 and 10 mile courses through Veteran Acres and Sternes Woods, race shirt and finisher medal included.
Oct 18, 2026 in Spring Grove: run through a corn maze and farm with 10K, 5K including a 250 turn maze option and a 1 mile Family Adventure, plus finisher medals.
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.
A community running event in Fort Atkinson offering a 12k trail-road course, a 5k neighborhood run, and a 1 mile walk/run with proceeds supporting local and international projects.
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
A dog friendly Canicross event in Lake Geneva with a technical 4 mile loop and an option to run two loops for 8 miles, organized by TYDISH Running.
January 2027
Winter trail race in Crystal Lake with a hilly single-track 10K loop and a 50K made of five laps, staffed aid stations, finisher medals, and age-group awards.
A winter obstacle race at Lake Geneva Ziplines & Adventures on January 30, 2027 offering distances from a kids loop to a 20K Yeti Challenge; fun heats allow optional obstacles while a competitive division awards cash prizes. All in-person finishers r..
April 2027
Trail races in Crystal Lake, Illinois on a 5.2 mile loop offering 50k, 15 mile and 5 mile options through single track, prairie and pine forest.
July 2027
Kishwauketoe 5K Run / Walk in Williams Bay featured a main 5K and a kids quarter mile, drew 280 finishers, and proceeded after volunteers cleared storm debris.
October 2027