Trail Running calendar near Lake Geneva 2026-2027

Run the Rails in Elburn, IL features a 1-mile fun run plus 4- and 7-mile races at Prairie Park, crossing the Union Pacific West rail line, with proceeds supporting the Elburn Parks Commission.

A trail race at Paul Douglas Forest Preserve offering approximate 4, 9.5 and 13 mile courses. Part of the Dick Pond Athletics trail series and benefiting Chicago Area Mountain Bikers, with awards, a raffle, and on-course water stations.

Tough Mudder Chicago runs at Richardson Adventure Farm on August 29, 2026, with 5K, 15K and an Infinity multi lap format. The event features multiple obstacles, Mudder Village with food and music, finisher items, and spectator access.

A continuous loop trail race at Half Day Forest Preserve near Vernon Hills, Illinois. Runners complete repeated 3.1 mile loops toward a 40 or 50 mile total with a 12 hour cutoff and a fully stocked aid station each lap.

Looped trail event at Half Day Forest Preserve in Vernon Hills with a 5K loop and multiple distance options. The course runs on crushed limestone, gravel, and natural trails through woodlands, prairies, and riverfront scenery.

A 3.62-mile all-grass cross-country race at Lovelace Park in Evanston with individual and team entries, tiered entry fees by registration period, a performance shirt with entry, and a post-race awards gathering with food.

A technical trail event at Franklin Creek State Natural Area featuring 5K and 10K routes with multiple creek crossings, limestone bluffs, and awards. Proceeds support the Franklin Creek Conservation Association.

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.

Set on the crushed limestone trails of Danada Forest Preserve in Naperville on Sep 5, 2026, this USATF certified event offers a chip timed half marathon and 10K, finisher medals, pacers, live tracking, and shuttle parking from off site lots..

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.

A timed urban ultra at Horner Park offering 3, 6, and 12 hour options on a short paved loop. Hourly playful challenges, a single aid station, and two- or four-person relay options add variety.

Turbo Trot and Mini Road Race Rally in Geneva combines a 2.5 mile run, a 1 mile kids race, and a battery car rally for ages 3 to 8 at Peck Farm Park. The event raises funds for the Geneva Park District Scholarship Fund.

Last Dot Standing in Belleville WI alternates repeated 4.2 mile legs between Belleville Community Park and Dot's Tavern until one runner remains. Separate 24 hour and 48 hour races use the same course and offer distance buckles and prize pa..

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 trail ultramarathon on the Ice Age State Trail with a 55 hour cutoff and 10 aid stations. The event lists about 11,148 ft of ascent and is organized by TYDISH Running.

A grassroots looped ultramarathon in Dixon, IL with a roughly 7.85 mile loop and distances to 100 miles. The course mixes singletrack, meadow and gravel, features two aid stations, allows crew and pacers, and awards finishers.

A community road and trail event at Moraine Hills State Park offering 5K, 10K and half marathon distances with in person and virtual options Sept 1 to 27, 2026. Proceeds support the Friends of Moraine Hills State Park.

Experience the Bloomingdale Trail Run in Chicago featuring a timed 5K and short dashes for youth. This annual event offers a variety of distances on an urban trail for a family friendly day of running.

A timed 12 hour and 6 hour loop race along the Evanston lakefront with two aid stations, public facilities, handcrafted finisher awards and a finisher beverage from Sketchbook Brewery. Packet pickup is available in Evanston.