Trail Running calendar near Libertyville 2025-2026

Take on the 50K MASHUP SLAM, a Midwest trail series that spans eight scenic events and rewards runners who finish five races with a special finisher buckle. Top series placers earn awards at the final G.O.A.T.z or Miner 49'er event.

Challenge winter single track trails at Veteran Acres and Sterne's Woods in Crystal Lake on a triple black diamond course offering 50K, 10K and relays. The 50K is five laps of a 10K loop with a warm Gnome Depot serving hot food and coffee.

Whitewalker Ultra 100k is a self-supported ultramarathon held in Palmyra, Wisconsin, starting at Emma Carlin Trailhead. The course comprises two 50k loops, first looping west on the Ice Age Trail to Whitewater and back, followed by a second..

Tackle winter trails in the Fox Valley with a three part Challenge Series featuring a 5K in Batavia, 8K in Aurora and 10K in St Charles across Jan to Mar. Register single or as a bundle and earn upgraded swag for multiple races.

Take on the Cereal Killer 15k at Red Mill County Park for a scenic four loop trail, post race cereal and Deathwish coffee, and quirky limited edition swag while supplies last. A community friendly run welcoming all paces and skill levels.

The Yeti Trail Half Marathon will take place in Westville on Saturday 21 February 2026.

Join the ARKTOS winter ultra in Dousman, WI, a looped trail challenge where you run as many laps as you can in 6 hour, 12 hour or 20 hour windows. Solo and relay teams enjoy warming shelters, hot drinks and a post race meal.

Run the twisty winter trails at Saw Wee Kee Park with bib timing and wave starts; terrain can shift from muddy footing to wildflower lined sections. Part of a four race series where each finish earns a medal piece and seasonal swag.

Enjoy a scenic 5K trail run or walk at Sunset Hill County Park in Valparaiso on March 7, 2026, through wooded rolling hills. All ages are welcome with awards, tasty postrace refreshments, and a friendly Police and Fire challenge.

Muddy Shamrock at The Forge in Lemont is a scenic but technical trail race with half and quarter options over wooded single and double track, rocks, roots and mud. Chip timing, a race shirt, age group awards and a festive post race party aw..

Tombstone trail runs at Sunset Hill Farm in Valparaiso on March 14, 2026 feature a reworked hilly course and a new 50 mile option. Enjoy scenic singletrack, lively aid, cowboy themed swag, and finish buckles.

Tackle the woodsy single track at Soldiers Memorial Park in LaPorte on March 21, 2026 with a 10K or a challenging half. Enjoy winding switchbacks, lake views, and a custom finisher award for every runner.

Trailbreaker : March 29, 2026, Waukesha, WI The Trailbreaker is scheduled for March 29, 2026, in Waukesha, WI, with the main venue at the Schuetze Recreation Center / Frame Park Baseball Stadium. The event has been hosted by the Park Founda..

Save the Drama for your Llama is a spirited 6 hour trail run at Luhr County Park in La Porte where runners loop a marked 1.7 mile course to log as many laps as possible. Enjoy a friendly inclusive vibe and scenic trails between laps.

Join the Earth Day trail run at Veterans Acres in Crystal Lake offering 50K, 15 mile and 5 mile options on a rolling 5 mile single track loop around the pond. Enjoy homemade aid station treats and a friendly, eco minded race atmosphere.

Run 10K, 25K, 50K or 50 Miler loops at Deer Grove Forest Preserve West in Palatine. Mostly wide non technical trails, a single aid station, pacers allowed for 50 Miler after four loops, and on course shenanigans promise a fun day.

Join the Saw Wee Kee Spring Trail Run on April 25, 2026 at Saw Wee Kee Park for a scenic, twisty course over soft spring trails that may be muddy or flower strewn. Wave starts, bib timing and a piece of a collectible multi part medal.

Test your limits on scenic loops through Southern Kettle Moraine at the Prickly Pine Jackpot 24 Hour in Dousman, WI. Choose 3, 6, or 9 mile loops for 6, 12 or 24 hour solo and relay races and chase a cash jackpot for top finishers.

Run scenic trails at Teason's Woods in Palos Hills on May 9, 2026 with marathon or 10 Mile options over rolling terrain and shared two way trails. Enjoy event apparel, a wooden sunflower medal for finishers, plus post race chili and beer.

Take on a 4 mile loop through Wolf Road Woods in the Palos Preserves with 7 hour and 11 hour timed options. Enjoy rolling single track, hearty aid station fare and live lap scoring as you chase your endurance goals.