Trail Running calendar near Lake Geneva 2026-2027

Hit the trails at The Forge for the Muddy Shamrock races. Choose between a half marathon or quarter marathon on wooded, adventurous paths near the Lemont Quarries. Enjoy chip timing and a post-race celebration.

Zip Thaw is a spring canicross event on the scenic, wooded trails of Lake Geneva Ziplines and Adventures. Choose a 4 or 8 mile course to run with your dog using approved harness gear. Enjoy post run refreshments indoors and receive a finish..

Event Overview Tour de Trails is a series of four winter trail runs held on Saturdays from December 2025 to March 2026. Each race is held at a different forest preserve or park in the Rockford, Illinois area. Participants can register for i..

The Fox Valley Winter Challenge Trail Series concludes with a 10K trail race at Hickory Knolls Discovery Center. Runners tackle a mixed terrain course with potential winter conditions. Finishers earn a medal and swag, with special gear for..

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.

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.

Hit the trails for Chauncey's 4 at The Farm, a 4-mile stampede through the historic St James Farm. It's the kick-off event for the 2026 trail running series. Runners can tackle the rolling limestone and wooded paths for a chance at awards a..

Trail races on a 5 mile loop at Veterans Acres in Crystal Lake, IL offering 50K, 15 mile, and 5 mile options with one major aid station and age group awards. Registration closes April 10.

Run a USATF certified 10K through the scenic Morton Arboretum. Celebrate at a post race party with live music and refreshments. A fundraising option supports the arboretum's mission.

A whimsical trail run in Deer Grove Forest Preserve featuring four distances on a wide, non-technical looped course. The event, organized by CUSS Running, includes inclusive community initiatives. One aid station at the start/finish support..

Three chip timed races in Belgium, WI on April 25, 2026: a flat moonlit 5k road course, a 10k hybrid with a trail section through Harrington Beach State Park, and a Lakeview half marathon with lake and rural scenery.

Run or walk to support Anderson Humane at their largest fundraiser. Choose a timed 5K run or bring your dog for a 1.5-mile walk along the Batavia Riverwalk. The event includes awards, a lure course, and activities for animal lovers.

A trail race at Donald County Park in Mount Horeb on May 2, 2026, offering 5 km, 15 km and a Kids One Mile Fun Run; chip timing, aid stations, awards, and proceeds benefit Friends of Donald Park for trail maintenance.

Run a flat, out-and-back course on the historic Great Western Trail. Choose from a half-marathon or 10K distance. Your registration supports 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.

The Conservation Chase is a trail running event at Lapham Peak State Park supporting local conservation. Choose from distances including a half marathon, 10K, 5K, and ruck or walk options. It's a cupless race with proceeds benefiting the Ta..

Out and back trail races of 50 miles, 50K and half marathon on the Badger and Sugar River State Trails near Belleville, WI. Flat, soft rail trail with trestle bridges, scenic vistas and a 1/4 mile tunnel; generous cutoffs and aid stations.

Dirt Circus brings the trail running community together for a free festival in Crystal Lake. Enjoy a choice of group run distances, a vendor expo, food, and a raffle with prizes. Connect with local race directors and brands at this cupless,..

This 5K run/walk takes place on the Rock Run Greenway Trail in Joliet, starting and ending at Cemeno's Pizza. All proceeds support local cancer patients through the Pat Clark Cancer Foundation. Registration includes a T-shirt and finisher m..

A trail run at Blue Mound State Park on June 6, 2026 offering 10K and 18K courses over varied single-track and ski trails; proceeds benefit the Friends of Blue Mound State Park.