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
Echo 136 is a 136 mile trail ultramarathon on the Ice Age State Trail in Whitewater WI with a 55 hour time limit and nine fully stocked aid stations.
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.
Multi-hour trail running at Richard Bong State Recreation Area offering 24, 12, 6 and 3 hour options plus a backyard 24 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 single-track loops of about 5 and 10 miles, marked course, race shirt and finisher medals; cup-less event.
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 at Fort Atkinson High School featuring a 12K mixed terrain route, a 5K on neighborhood streets, and a 1 mile untimed walk/run, with overall and age group awards for the 5K and 12K.
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 Canicross-focused trail event at Lake Geneva with 4- and 8-mile loop options, basic aid, and dog-specific awards.
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