Trail Running calendar near Cornell 2026-2027

A multi-distance trail event at Sand Ridge State Forest offering 200K, 150K, 100K, 50K and a 10K option, included camping, on-course upgrades, and awards ranging from challenge coins to collectible buckles and framed maps.

A technical trail event at Franklin Creek State Natural Area offering 5K and 10K courses with multiple creek crossings and forested, hilly terrain. Proceeds benefit the Franklin Creek Conservation Association.

A half marathon and 10k at Danada Forest Preserve in Wheaton on crushed limestone trails, finishing around the horse race track. USATF certified courses with chip timing, pacers, finisher medals, shuttle parking and packet mailing options.

Experience the 46th annual trail run through Kickapoo State Recreation Area featuring a scenic pond loop and a longer 95 percent trail course with creek crossings and steep hills.

Cornell Days 5k and 1 Mile Fun Run/Walk is a family friendly event at Clinton Keith Mills Memorial Park with an out and back county road course and a postrace breakfast cookout.

Midwest OCR in Marseilles, Illinois features 5K and 10K obstacle courses, ruck options, a kid's loop, and a multi-lap Bearded Challenge, with finisher shirts, medals, and professional photos included; elite divisions award podiums and cash..

A loop-based running event at Limestone Park offering 8 hour and 4 hour races on a 1.65 mile course with mixed crushed limestone and asphalt terrain. Scoring is by completed loops and proceeds support local organizations.

A grassroots looped ultra in Dixon, Illinois featuring multiple distances on mixed singletrack and meadow paths. The event provides two aid locations, crew and pacer access, and medals or a buckle for finishers depending on distance.

A point to point all trail ultramarathon along the Hennepin Canal State Trail in northwest Illinois, offering 100 mile, 50 mile, team relay and a nighttime 50k, with aid stations every 3 to 7 miles and Western States qualification.

Run The Woods is a trail event at Timber Pointe Outdoor Center in Hudson, IL featuring 5K and 8K races with youth divisions and a one mile untimed trail walk. Proceeds benefit Easterseals Central Illinois and Timber Pointe Outdoor Center.

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.

A community 5K in Flossmoor with a parallel virtual 5K that raises funds and collects goods to support local families experiencing hidden homelessness and provide school supplies for homeless children.

Trail races at Farmdale Reservoir near East Peoria Illinois feature distances from 10K to 100 mile across single-track trail and prairie. The event includes packet pickup, aid stations, camping and specific rules for drop downs and awards.

Trail run at Saw Wee Kee Park on October 17, 2026, over soft, twisting trails with variable footing. Bib-timed waves, part of a four-race series with collectible medal pieces and seasonal swag.

A chip timed 5K and an untimed 1 mile fun walk at GE Park in Bloomington on October 18, 2026, raising funds for BN Sunrise Rotary Youth Services and the CCHS Rotaract Club. Awards include ceramic steins for top 5K age group finishers.

A Halloween-themed trail event in Pingree Grove, IL on October 23, 2026 with multiple 5 km heats, haunted sets and animatronics, plus a costume contest, bonfire and food; spectator fee $10, free parking.

A trail event at Deer Grove Forest Preserve offering 50K, 25K and a 5 mile option on mostly single track loops, with stocked aid stations, marked maps and an emphasis on whimsy and inclusion.

A fall event at Allerton Park featuring a 5.7 mile trail run, a 2 mile nature walk, and a virtual 5.7 mile option. The riverside course has roots, ruts, and sharp turns, with awards, costume prizes, and park donations.

A nighttime run and walk at Lake County Fairgrounds on October 30, 2026 featuring a timed 5K, a non-timed 2K, a market with live performances, costume contests, and awards.

A community road-and-trail event at Meadowbrook Park in Urbana supporting Grand Prairie Friends, offering 5K and 10K runs, a 5K walk, plus virtual options, medals, and t-shirts.