Trail Running calendar near Janesville 2026-2027

Tough Mudder Chicago on August 29, 2026 at Rockford International Airport offers 5K, 15K and an eight hour Infinity format across fields, trails and creek crossings, with Mudder Village, finisher items, and group and volunteer options.

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

Take on a scenic one mile loop at Lapham Peak with 24, 12, and 6 hour timed options or set distance goals like a marathon or 50 miles. Lighted night laps, a stocked aid station, and a welcoming club vibe make every lap count.

USATF certified half marathon and 10K on crushed limestone trails at Danada Forest Preserve in Wheaton, IL, with finisher medals, chip timing, pacers and a virtual option.

An inaugural trail race in Verona, Wisconsin on September 5, 2026, offering 5K and 10K courses through prairies, woodlands, oak savannas and pine woods. Net proceeds support Prairie Moraine Friends and participant numbers are limited.

Last Dot Standing runs alternating one hour 4.2 mile legs between Belleville Community Park and Dot's Tavern in Belleville WI. Parallel 24 hour, 48 hour and 8 hour events use the same course and offer mile buckles and cash prizes.

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 is a 136 mile trail race in Whitewater WI on the Ice Age State Trail with a 55 hour cutoff, nine stocked aid stations, and roughly 11,148 feet of elevation gain. Registration closes Sep 22 at 10:00 PM CT.

Women only Last Woman Standing trail event on a family farm near Madison, Wisconsin. Runners repeat 1.0 to 1.25 mile loops with at least 250 ft of climb per lap until one woman remains.

A grassroots loop ultra at Dixon Park District offering 25K, 50K, 100K and 100 mile options on a 7.85 mile mixed surface loop with two aid locations, crew and pacer policies, and finisher awards.

A point-to-point all-trail ultramarathon along the Hennepin Canal State Trail between Sterling and Colona, Illinois. Multiple distances include 100 mile, 50 mile, 50K and a 100 mile team relay; aid stations are every three to seven miles.

Experience natural dirt trails and scenic views at this Janesville event featuring a competitive 5k run and casual walk. Stay for the heritage celebration with food trucks and live music after you finish.

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.

Experience a chip timed 5k trail run through the diverse terrain and scenic landscapes of Oakdale Nature Preserve. All proceeds support local park projects and trail maintenance.

Run or walk along the tree lined Oak Leaf Trail before finishing at the Oktoberfest celebration in Glendale. This event features a 5k run and a 54 yard dash with post race refreshments and festival entry.

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.

Test your endurance at the inaugural HELIOS Ultra in the Southern Kettle Moraine Forest. Choose between 6, 12, or 20 hour timeframes as a solo runner or a relay team.

Trail runs on a looped Driftless Area course near Dodgeville, Wisconsin, with 50K, 20 mile and 10 mile options, technical terrain, two aid stations per loop and on course support.

A flat, fast trail event in Lake County on crushed gravel with 50 Mile, 50K, Marathon and Half Marathon options. The Marathon is Boston qualifying, the race is cup-less, and all finishers receive medals plus post-race food and awards.

Run or walk through the beautiful Fox Hill Nature Preserve this fall. Choose from trail runs, a walk, or a kids' race, all supporting local land conservation. Experience deciduous forests, restored prairies, and scenic glacial moraines.