Trail Running calendar near Lemont Township 2026-2027

A timed endurance trail event near Willow Springs on a 4 mile loop with single and double track, rolling hills, a signature aid station offering snacks and drinks, and a mandatory reusable cup policy.

A spring trail event at Pringle Nature Center featuring a 5K trail run and a 2 mile fun run or hike through hilly, dirt trails; proceeds support environmental education at the nature center.

Trail Run Xtreme in Portage, IN on May 17, 2026 offers a wooded 12K and a 3K kids race on marked single track with volunteers, race shirts, awards and a post-race meal; proceeds support the Outback Trail Commission.

A chip timed *10K* trail run at The Forge Lemont Quarries featuring mostly crushed limestone surfaces, wooded scenery, competitive overall and age group awards, and a 450 participant capacity.

Frontline OCR at Byron Motosports Park on May 23, 2026 offers 10K and 5K obstacle courses, a ruck division, a kids mile, Special Forces and Heroes waves, plus team entry packs, organized by a 501(c)(3) foundation.

A five-mile trail run at Stoney Run County Park on May 25, 2026, with marked trails, an aid station near mile three, possible mud and a pond crossing, manual timing, and post-race refreshments.

Dirt Circus Chicago on May 30, 2026 in Crystal Lake, IL gathers the local trail running community for a social run, expo, food, raffle, and vendor booths. Two route options and a city specific t shirt preorder are available.

Backyard Nonsense is a timed ultra at Richard Bong State Recreation Area on June 6, 2026. It features 3, 6, 12 and 24 hour looped trail options on .75 mile laps with hourly on-course challenges.

Experience a seasonal trail run through the natural twists and turns of Saw Wee Kee Park. Complete this bib timed race to earn a piece of the 2026 series medal and enjoy the summer landscape.

A community 5K on June 6, 2026 in Joliet along the Rock Run Greenway Trail with start and finish at Cemeno's Pizza. Proceeds benefit the Pat Clark Cancer Foundation to support local cancer patients and families.

Trail race at Hickory Knolls Nature Area in St Charles with 5K, 10K, and a 2 person 10K relay on June 7 2026. The course runs on dirt, grass and gravel paths with marked loops and limited on course water.

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 one day trail stage race using golf style scoring where runners start each hourly hole together and aim for the lowest cumulative stroke total. Options include a 50K (nine holes) and a 10 mile course (three holes) in Valparaiso, IN.

A multi distance event at Hobart Middle School with a road and Oak Savannah Trail out and back route, computerized bib timing, and trademark brick awards across many age divisions.

Trail races at Wolf Road Woods on June 27, 2026 offer three loop choices covering 3, 6 and 9 miles with varied off-road surfaces, tiered registration fees and post-race refreshments and awards.

Trail 5K and a children's 1/4 mile at Kishwauketoe Nature Center in Williams Bay. The grass trail course passes through hills, woods and prairie, includes a water stop, parking across the street, and awards for top finishers.

A trail 5K at Byron Forest Preserve with chip timing and awards by age group, plus a 1 mile Fun Run with a participation medal. Parking and indoor restrooms are available onsite.

H-F Beast Obstacle Course Dash in Homewood, IL on July 12, 2026 features two age categories with obstacle runs. The event awards finisher medals and t shirts and includes an optional prep course in June.

An overnight loop endurance event at Lowell Park in Dixon, IL where participants repeat a .411 mile paved loop for 6, 12, or 24 hours. Solo and three person relay options are available and the event is self supported.

Oakadoke Trail Runs features tree-covered single-track, switchbacks and creek crossings on looped 4, 9 and 18 mile courses near Valparaiso, IN, with frequent aid stations and a cupless race format.