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Trail Running Calendar near Lake Mills 2026-2027

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Explore the top trail runs near Lake Mills for 2026-2027! We've gathered 18 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

September 2026
Timed ultrarunning at Lapham Peak State Park with 24, 12 and 6 hour options plus a distance division for marathon and longer targets. One mile loop, chip timing, an aid station, and a cupless refill policy.
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.
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.
A fall trail event at Lapham Peak State Forest featuring timed 5K and 10K runs, accessible walk options, and a free 1K Smokey Bear run for children age 10 and under; participant shirts, awards, and post-event treats are included.
Community running, rucking, and family walking event on October 10, 2026 in Oconomowoc, with proceeds supporting children with special needs.
A loop-based trail ultra in Eagle, Wisconsin offering 6, 12 and 20 hour formats for solo runners or relay teams up to four people, set on three mapped autumn loops through the Southern Kettle Moraine Forest.
Looped fundraising run and walk at Another Chance Ranch in Neosho, WI offering distances from a few miles to a marathon and beyond, with a $35 registration donation.
National Sweetest Day at Nashotah Park on October 17, 2026 offers running, walking, and ruck events from a kids 1K to a half marathon. Entry fees vary and several events include post race treats.
Experience the historic Ice Age Trail during this autumn ultramarathon in the Southern Kettle Moraine Forest. Choose between 50k and 100k distances featuring on site branded wooden medals and scenic fall colors.
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.
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.
Bucks & Does 13.1 Pointer is a multi-distance running, walking, and ruck event at Nashotah Park on 11/14/2026. Distances range from a youth Bambi Run to a 13.1 Pointer, and every finisher receives a wooden finisher medal.
December 2026
Night out and back distances of 31 and 17.5 miles on a flat crushed limestone rails to trails in Lake Mills WI with winter conditions and required lights and reflectivity.
February 2027
A winter timed ultra in the Southern Kettle Moraine Forest offering 6, 12 and 24 hour loop options for solo runners and relay teams. The field is limited to 160 participants and the 6 hour option is available in AM and PM waves.
May 2027
One of the oldest continuously running ultras in the country, Ice Age Trail 50 runs through glacial terrain and offers 50 mile, 50K and half marathon distances.
August 2027
A 24-hour running event at Nashotah Park with solo and relay options, multiple race and ruck distances, plus camping, bonfires and s'mores.
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