Trail Running calendar near Lemont Township 2026-2027

Experience the natural beauty of St. Charles at the Hickory Knolls Trail Run, featuring 5K, 10K, and relay options on scenic grass and dirt forest pathways.

Experience an authentic cross country race on a purpose built grass course in Geneva Illinois. Run as an individual or part of a team on this wide professional grade venue featuring rolling terrain and a classic atmosphere.

A looped trail endurance event in Valparaiso where runners tackle 3 to 4 mile Holes and receive golf-style stroke scores; the 50K uses nine Holes and the 10M uses three Holes.

Celebrating its 45th year, the YMCA Brickyard Run features a 5 Mile Gold Cup race, a 5K for younger runners, and a new 2K Family Fun Run/Walk. The event is known for its unique brick awards and supports a local YMCA scholarship fund.

Experience the natural beauty of Wolf Road Woods with 3, 6, or 9 mile trail runs on a scenic loop course. Enjoy a relaxed atmosphere featuring off road terrain and post race celebrations in the heart of the Palos Trail System.

This cross country run on July 4th in Williams Bay offers a 5K on grass trails through the Kishwauketoe Nature Conservancy. A kids' quarter-mile event is also available. Registration is online only, with awards for top age-group finishers.

Experience the Savage Race in Spring Grove with obstacles and mud across multiple distances. Choose between a five to seven mile course or the shorter three mile Blitz for an engaging outdoor fitness experience.

Test your strength and endurance at this outdoor obstacle course in Homewood. Choose between one or two mile distances featuring tire flips and spear throws to earn your finisher medal.

Experience the diverse single track trails of Valparaiso at the Oakadoke Trail Runs. Choose between 4, 9, or 18 mile courses featuring scenic creek crossings and winding switchbacks followed by a celebratory post race meal.

Experience a Scottish themed obstacle course race in Pingree Grove featuring 15k, 5k, and family 3k distances. Challenges include classic rigs and unique tasks like archery and caber carries in a Highland setting.

Experience the scenery of Elburn at Run the Rails featuring 1-mile, 4-mile, and 7-mile courses. Cross the Union Pacific West rail line and enjoy unique views of the Illinois countryside.

The Summer Trail Classic offers three distances on the single-track trails of Paul Douglas Forest Preserve. It's the third race in a yearly trail series, with proceeds supporting local trail maintenance. Participants receive a running vest..

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 with 5K and 10K courses featuring multiple creek crossings, limestone bluffs, and steady climbs. Proceeds support the Franklin Creek Conservation Association.

A chip timed half marathon and 10K through the crushed limestone trails of Danada Forest Preserve near Wheaton, IL, with USATF certified courses, finisher medals, pacers, shuttle parking, a virtual option and live participant tracking.

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.

A grassroots multi-distance trail event in Dixon, IL using a roughly 7.85 mile loop for 25K, 50K, 100K, and 100 mile races, with mixed singletrack, meadow and gravel terrain, two aid stations, crew access, and pacer allowances.

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.