Trail Running calendar near Lisle 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.

Test your stamina at Bluhm County Park with this unique elimination style trail race. Complete a four mile loop every hour to stay in the running and compete for the fastest final lap.

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.

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.

A timed running event on an about 1 mile paved loop in a 58 acre Chicago park, offering 3 hour, 6 hour, and 12 hour formats plus relay options and hourly on course challenges.

This obstacle course race at Indiana Dunes National Park offers three distances, including a K9 event. The course features diverse terrains inspired by military landscapes. It's open to participants aged 13 and up.

Experience a rugged obstacle course race featuring hills, cliffs, and wooded trails in Marseilles. Choose from competitive 10K heats, multi lap challenges, or non competitive fun runs and rucking divisions for all interest levels.

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.

Test your endurance at Limestone Park with a choice of 8-hour or 4-hour timed races. Run a scenic 1.65 mile loop featuring a mix of flat paths and short hills to complete as many laps as possible.

Echo 136 is a 136-mile point-to-point ultramarathon on the Ice Age State Trail in the Southern Kettle Moraine, featuring varied trail surfaces, nine staffed aid stations, and about 11,148 ft of elevation gain.

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.

The Bloomingdale Trail 5K is an annual family-friendly running event in Chicago. It features a timed 5K race alongside shorter dashes for young runners. Registration is available for all three distances.

A timed 6- or 12-hour event on a 2 mile lakefront loop in Evanston with two aid stations, finishers' Hop Water and handcrafted awards, and permitted pacers.

Experience the terrain of Michigan City with a series of loop based trail races ranging from 2 miles to 50k at Tryon Farm. Run through open fields and single track dirt trails to support the Tryon Farm Institute.

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.

A community 5k run and walk hosted by the Lockport Fire Foundation on October 4, 2026 at Hassert Park in Lockport, IL. Entry includes a t-shirt and finisher medal for registered participants present on race day.

Join this community run and walk at Vollmer Road Grove Forest Preserve to support homeless school children. Participate in person on the paved 5K trail or join virtually to help provide essential school supplies for families in need.

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.

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.

Experience a natural trail run at Saw Wee Kee Park featuring a soft path with twists and turns. Complete this event to earn a piece of the 2026 series medal and enjoy seasonal swag in a beautiful outdoor setting.