Trail Running calendar near Somers 2025-2026

Tackle the middle race of the Fox Valley Winter Challenge Trail Series on Feb 21, 2026: an 8K at Oakhurst Forest Preserve with a steep sledding hill climb and twisty, rolling winter trails. Finishers get a custom medal and premium cold weat..

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.

The Muddy Shamrock at The Forge offers a half and quarter trail run through scenic Lemont Quarries with rock, roots, mud and technical single track. Expect lap based routes, rustic terrain, one aid station and a fun, challenging day outdoor..

Run the Fox Valley Winter Challenge 10K at Hickory Knolls in St. Charles on Mar 22, 2026, over mixed trails and rolling climbs to test your pace. Finishers earn winter swag and a medal, plus extra gear for completing the series.

Join Trailbreaker in Waukesha for a scenic trail and road race offering distances from a marathon to a kids 1K, with ruck options and a Run Any Distance challenge. Family friendly and fundraising for local parks.

Run the NK50k in Greenbush, Wisconsin on April 11, 2026. Choose 50K or 25K point to point routes across rolling ski tracks, rocky Ice Age Trail sections and lofty ridgelines, with aid stations, shuttle service and post run food; expect to b..

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 under the stars at Moonlight Meltdown on April 25 in Belgium WI, with chip timed 5k road and a Sunset Safari 10k including a trail through Harrington Beach State Park. Shirts, post race food and a finish party at KYOTES.

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.

Backyard Nonsense on June 6, 2026 invites runners to scenic trails at Richard Bong State Recreation Area with rolling hills and lakeside sections. Enjoy a welcoming community and choose timed options from 3 hour to a full 24 hour ultra.

Enjoy the Saw Wee Kee Summer Trail on June 6 at Saw Wee Kee Park, featuring soft, twisty trails, rolling elevation and seasonal surprises from mud to blooms. Bib timed wave starts, seasonal swag, and a piece of a four race series medal.

Kettle Moraine returns June 13 and 14 2026 in LaGrange Wisconsin, offering 100 mile, 100K and shorter trail distances with plenty of Ice Age Trail scenery. The 100 mile serves as a Western States qualifier, making this a prime summer ultra.

Run the scenic Ice Age Trail near Rice Lake in Whitewater, Wisconsin on June 20, 2026. Choose a 10K, 21K half marathon or 50K and tackle varied, rewarding single track through classic summer forest scenery.

Enjoy a scenic 9 mile trail loop at Kohler Andrae State Park featuring beaches, boardwalks, marsh and pine trails along Lake Michigan. Friendly cupless race with post race food, awards and a commemorative finisher token.

Timely Nonsense is a playful timed ultrarun in Chicago offering 3, 6, and 12 hour options on a roughly one mile paved loop inside a scenic 58 acre park. Hourly challenges, team relays, and a lively aid and vendor area keep the day fun for r..