Trail Running calendar near Elburn 2026-2027

An 8K winter trail race at Oakhurst Forest Preserve on February 21, 2026. The course starts with a steep sledding hill and may include snow, ice, or mud, with finish-line water, snacks, and a finisher medal.

A four-race winter trail series around Rockford, Illinois, from Dec 20, 2025 to Mar 21, 2026. Distances range from 3 to 12 miles across local forest preserves, with a series entry option available.

Hit the wooded trails at Sunset Hill County Park for the Foot Pursuit 5K, a scenic 3.1 mile run or walk across rolling hills. Enjoy friendly competition, age group awards, and postrace camaraderie in Valparaiso.

A trail race at Sunset Hill Farm Park on March 14, 2026 offering 30k, 50k and a new 50 mile option on a new course with prominent "Roller Coaster" hills, aid stations, time limits, and unique finishing awards and swag.

Trail races at The Forge in Lemont offer a wooded course around the Lemont Quarries with a half and quarter marathon on single and double track. Varied terrain includes gravel, rocks, mud and short technical climbs; trail shoes and personal..

Run with your dog through scenic wooded single track at Lake Geneva Ziplines, choosing a 4 mile loop or an 8 mile double lap. This friendly canicross event offers water at the start area, prizes for top teams, and a finisher token.

A four-race winter trail series around Rockford, Illinois, from Dec 20, 2025 to Mar 21, 2026. Distances range from 3 to 12 miles across local forest preserves, with a series entry option available.

A 10K trail race at Hickory Knolls Discovery Center in St. Charles on March 22, 2026. Final event of a three race winter series with mixed terrain, finish line water and snacks, and finisher medals plus winter gear for series finishers.

Timed loop trail races at Lowell Park in Dixon, IL include 33.75-mile and 13.5-mile options plus a relay. Single track loops alternate direction each lap and a staffed aid station provides drinks and snacks.

Tackle a scenic 4 mile loop through rolling limestone and wooded trails at St James Farm in Warrenville, IL, with roots, mud and natural single loop terrain. Enjoy a long sleeve race shirt, wood finisher medallion and lively race day atmosp..

Trailbreaker in Waukesha on March 29, 2026 offers marathon, half, 10K, 5K, walk, ruck events, a Kiddos 1K, and The RAD, with proceeds supporting the Park Foundation and courses on local trails including the Glacial Drumlin.

Trail races in Crystal Lake, Illinois on a roughly five mile loop through single track and mixed woods. Distances include 50K, 15 Mile and 5 Mile with one main aid station, an eight hour cutoff, and age group awards.

A looped trail race at Deer Grove Forest Preserve near Palatine, IL offering 10K, 25K, 50K and 50 mile options on soft gravel loops with a single aid station per lap and inclusive entry policies.

A Batavia fundraiser for Anderson Humane featuring a timed 5K and a 1.5 mile community walk around the Batavia Riverwalk; proceeds support shelter, medical care, and wildlife rescue.

A flat out and back half marathon and 10K along the limestone Great Western Trail on May 3, 2026, hosted by Fox River Trail Runners. Registration contributions support three local mental health charities.

A trail marathon and a 10 mile race at Teason's Woods in Palos Hills on May 9, 2026, using the Sag Valley Trail. Wide horse trails, multiple aid stations, pre assigned race day packet pickup, and a unique wooden finisher medal.

Trail Run Xtreme in Portage, IN on May 17, 2026 features a wooded single-track 12K and a 3K kids race with roots, mud, and possible water crossings. Post-race shirts, a meal, and age group awards are provided.

A chip timed 5k at Cooper's Hawk Winery in New Lenox on May 24, 2026, limited to 500 runners and walkers. Registration includes race swag and a wine pour while the event supports the New Lenox Food Pantry.

A 5 mile trail run at Stoney Run County Park on May 25, 2026, featuring flagged turns, an aid station just past mile three, possible mud and a pond crossing with a short detour option, and post race refreshments.

Free one day running festival in Crystal Lake celebrating local races, clubs, and brands. Pick a 4.3 or 6.8 mile social run, browse the expo, enter raffles, demo gear, and enjoy food, drinks and community fun.