Trail Running calendar near Fort Atkinson 2026-2027

A continuous loop trail race at Half Day Forest Preserve offering 3.1 mile laps for 40 or 50 mile distances, with a 12 hour cutoff and fully stocked aid at each lap. Crew access and personal staging areas are provided.

Loop based trail event at Half Day Forest Preserve where runners repeat a 3.1 mile loop, stop after any loop with no penalty, and receive official timing for each completed loop for combined results.

A technical trail event at Franklin Creek State Natural Area on September 5, 2026, offering 5K and 10K courses with multiple creek crossings and notable elevation. Proceeds benefit the Franklin Creek Conservation Association and awards are..

Timed 24 hour, 12 hour and 6 hour runs take place at Lapham Peak State Park on September 5 and 6, 2026, on a one mile loop with night lighting and chip timing. The event includes a cupless aid station and a Distance division.

A new trail race in Verona, Wisconsin offering 5K and 10K courses through prairies, woodlands and oak savannas. Net proceeds support Prairie Moraine Friends for park restoration; parking is limited and ride sharing is encouraged.

A three day trail event at Rock Cut State Park featuring a night 10 km plus 25 km and 50 km races, with single race entries and Triple Crown series options that award commemorative spike prizes to finishers.

Alternating one hour legs of 4.2 miles between Belleville Community Park and Dot's Tavern form a last person standing race. The weekend also features 24 hour and 48 hour races on the same loop with distance buckles and prize pots.

Experience ten miles of hills and winding trails through the Byron Forest Preserve and Nardi Equine Prairie. This cup free race features cash prizes and a post race celebration with pizza at Hairy Cow Brewing Company.

Echo 136 in Whitewater, WI is a 136 mile ultramarathon on the Ice Age State Trail with a 55 hour cutoff and ten staffed aid stations. The course records about 11,148 ft gain and 10,961 ft loss.

A women only Last Woman Standing trail event on a roughly one to 1.25 mile loop with 250 to 300 ft of climb per lap near Arena Wisconsin. Laps repeat every 20 minutes until one runner remains.

A multi-distance running and walking event at Moraine Hills State Park offering 5K, 10K and half marathon options in person and virtually during September 2026, with courses on crushed limestone trails and support stations along the routes.

Emmy's Rustic Run is a Fort Atkinson trail run and family fun day raising funds for the A-T Children's Project, featuring a 5k, a one mile walk, kids races and virtual participation.

A multi duration trail event at Richard Bong State Recreation Area on Sep 26, 2026. Options include 3, 6, 12 and 24 hour formats, with both a Backyard 24 loop and a continuous 24 hour Ultra available.

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.

Explore the scenic trails and steep hills of Mirror Lake State Park with several distances available. Finish your race with refreshments and s'mores around a campfire while supporting local park projects.

Autumn Leaf Run is a 5K trail event at Oakdale Nature Preserve in Freeport on 10/03/2026. The looped course crosses prairies, creek and wooded trails and raises funds for park improvements through the Freeport Parks Foundation.

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.

Trail Run at Indian Lake takes place on Oct 3, 2026 at Indian Lake County Park. The event is cup free, includes a free kids run with no registration, and features a post race party with live music and a raffle.

A community 5k and a 54 yard dash on October 4, 2026 in Glendale with an out-and-back course on the Oak Leaf Trail. Registration includes all-day entry to Milwaukee's Original Oktoberfest at Old Heidelberg Park.

Participate in a half marathon, 5K, or rucking event at Zachariah's Acres in Oconomowoc. Support nature based programs for children with special needs while exploring prairie trails and wildflowers.