Trail Running calendar near Byron 2026-2027

A trail ultrarun at Richard Bong State Recreation Area on June 6, 2026 offering Backyard 24, 24 hour, 12 hour, 6 hour, and 3 hour options, on marked loops with on site camping and a required park pass.

A trail running event at Saw Wee Kee Park in Yorkville on June 6, 2026. The soft, twisting path is bib timed with staggered starts and is part of a four run series that awards pieces of a 2026 medal and seasonal swag.

A community 5K on June 6, 2026 in Joliet along the Rock Run Greenway Trail with start and finish at Cemeno's Pizza. Proceeds benefit the Pat Clark Cancer Foundation to support local cancer patients and families.

Blue Mound Trail Run on June 6, 2026 in Blue Mound State Park features 10K and 18K trail races on single-track and ski trails, and serves as a fundraiser for Friends of Blue Mound State Park.

Trail races at Hickory Knolls include approximate 5K and 10K loops plus a 10K two-person relay on wooded dirt, gravel and grass trails; proceeds support the St Charles Park Foundation.

An annual June endurance trail event featuring 100 mile, 100k, 50k and 38 mile options on mainly Ice Age Trail terrain. Entry for 2026 is by lottery with an ordered waitlist and early invites for rollovers and volunteers.

Experience an authentic cross country race on a purpose built grass course in Geneva Illinois. Run as an individual or part of a team on this wide professional grade venue featuring rolling terrain and a classic atmosphere.

A trail running event on June 20, 2026, near Rice Lake in Whitewater, Wisconsin, using an out and back section of the Ice Age Trail. Routes range from 10K to 50K and include varied footing from smooth to technical.

Crossroads Trail Mix at Westbrook Park in DeWitt IA on June 20 2026 offers paved and trail 2.62 races plus a .62 kids run, a warm up event on June 10, and supports the Paul Skeffington Memorial Race Foundation and trail development.

Trail races at Wolf Road Woods on June 27, 2026 offer three loop choices covering 3, 6 and 9 miles with varied off-road surfaces, tiered registration fees and post-race refreshments and awards.

Trail 5K and a children's 1/4 mile at Kishwauketoe Nature Center in Williams Bay. The grass trail course passes through hills, woods and prairie, includes a water stop, parking across the street, and awards for top finishers.

A prairie run and walk at Lapham Peak State Forest on July 11, 2026, using grass hiking and mountain bike trails. The event raises funds for prairie management and includes shirts for the first 100 participants and awards for winners.

A trail 5K at Byron Forest Preserve with chip timing and awards by age group, plus a 1 mile Fun Run with a participation medal. Parking and indoor restrooms are available onsite.

MSRC XC 5k Classic is a cross country race at Verona Area High School on July 12, 2026. It includes a 5k and a 1.6 mile kids race, team scoring for teams of five runners, and awards across multiple age and team categories.

An endurance event at Lowell Park's Pinetum on a roughly 0.411 mile paved loop. Self supported 6 hour, 12 hour and 24 hour options with solo and three person relay entries and on site water and volunteer support.

A 10K walk/run on August 1, 2026, through the Nordic Trail System in Kettle Moraine State Forest with water refill stations, trail snacks, a cup-less policy, and donations supporting The Salvation Army.

Experience the natural beauty of Dubuque with trail races through the Mines of Spain Recreation Area. Enjoy distances ranging from 4 miles to a half marathon followed by a post race party with brick oven pizza and local beer.

A night trail event in Dixon Illinois offering 5 10 and 15 mile options plus a 3 person relay. Loop course over grass gravel and dirt with one aid station and a post race snack.

A multi-event day in Coal Valley with a 5K Mud Adventure Run, a Ninja Kids Run, and a Cross Country Trail Run. Main obstacles include a Tire Wall, Ninja Scaling Wall and Weight Lift; spectator entry is $7.

A community cross country event in Mount Prospect offering 1, 2 and 3 mile races. Entry is $25 and proceeds benefit the Little Giraffe Foundation.