Trail Running calendar near Sterling 2026-2027

An out and back on the Badger State and Sugar River rail trails in Belleville, WI on May 23, 2026, offering 50 mile, 50K and half marathon options with aid stations, photos, pizza and beer provided.

A multiwave obstacle course at Byron Motosports Park offering 10K, 5K, ruck, and kids divisions, with Special Forces and Endurance competitive formats and team entry packs available.

Dirt Circus Chicago on May 30, 2026 in Crystal Lake, IL gathers the local trail running community for a social run, expo, food, raffle, and vendor booths. Two route options and a city specific t shirt preorder are available.

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 trail race at Hickory Knolls Nature Area offering 5K, 10K and a 10K two person relay on marked dirt grass and gravel paths; proceeds support the St Charles Park Foundation.

Experience the local trail community at Kinsey Park with a four mile loop featuring rolling hills and themed stretches. This event offers a great introduction to the local ultramarathon scene in Peoria.

A backyard ultra at Kinsey Park in Peoria where runners complete a 4.16 mile single track loop each hour until one runner remains. The trail is fully single track with small rolling hills and a Wizard of Oz theme.

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 nine hour endurance run in Davenport, IA on a 0.85 mile single track loop with 125 to 150 feet of climb per circuit. Solo runners and three person relays are allowed, with abundant aid, hot food, and a custom race shirt provided.

Trail and paved races are held June 20, 2026 at Westbrook Park in DeWitt, Iowa, with 2.62 mile paved and trail options plus a 0.62 mile kids run. Proceeds support the Paul Skeffington Memorial Race Foundation and local trail development.

Experience flowing singletrack and deep ravines at Black Partridge Park in Metamora. This five mile trail race features creek crossings and steep climbs through mature Illinois forests.

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.

An overnight loop endurance event at Lowell Park in Dixon, IL where participants repeat a .411 mile paved loop for 6, 12, or 24 hours. Solo and three person relay options are available and the event is self supported.

CMAR Trail Races at Camp Wokanda near Chillicothe, Illinois offers multiple looped and out and back trail distances on wooded singletrack with substantial elevation, staffed aid stations, and time cutoffs for each distance.

Experience the final race of the summer at Farmdale Reservoir in Washington Illinois. This five mile trail run features a mix of prairie woods and singletrack paths through a diverse landscape.

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.

Night trail races in Dixon Illinois on an approximate 5 mile loop with solo distances and a three person relay, single aid station, post race snack, and on site tees for all participants.

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.

Trail races at New Glarus Woods State Park on August 15, 2026 include 16K, 8K, 5K and a free 1K kids run. Proceeds benefit Friends of New Glarus Woods State Park and awards include age-group prizes plus a 16K consistency award.

A community road race in Elburn, IL on August 22, 2026 with 1-mile, 4-mile and 7-mile courses that cross the Union Pacific West rail line. The event benefits the Elburn Parks Commission and guarantees a racerback or tank if registered by Au..