Trail Running calendar near Eldridge 2026-2027

A timed 5k trail run or walk at Connorridge Farms in Oxford, Iowa, with a Virtual 5k option, prairie views, a prairie identification challenge, awards, and on-site finish line music.

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 IL on a 5 mile loop with 5, 10, and 15 mile options plus a three person relay, 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 event on August 8, 2026 at the Herbert Hoover National Historic Site featuring a 5K run on prairie trails and a 1.5K walk.

A community 6K run/walk in Springville, Iowa on August 8, 2026 with chip timing, age-group awards, and proceeds benefiting Springville Sports Boosters.

ScoCo50 at Scott County Park features 50K, 10 mile and 5 mile summer trail races on multi-surface loops with stocked aid stations and online registration only.

Trail 5K and 10K at Franklin Creek State Natural Area featuring creek crossings, hilly technical terrain, and proceeds benefitting the Franklin Creek Conservation Association.

A multi-distance trail running event at Pleasant Creek Park on September 12, 2026, with participant packets, aid stations, and awards managed by a local trail nonprofit.

A looped trail event at Loud Thunder Forest Preserve offering a one mile loop, two course options with notable elevation, a four hour time limit, and proceeds to the preserve.

A Backyard Ultra on the Rock River Parkway where runners repeat a GPS-verified 4.167-mile loop each hour until one remains. Entry is limited to 150 runners and includes an on-site aid station and crew zone.

Backyard ultra with repeated 4.167 mile loops at Pollmiller Lake Park near West Point, Iowa, on a mixed paved and trail course with camping and basic aid.

Experience ten miles of hills and winding trails through the Byron Forest Preserve and Nardi Equine Prairie. This cup free race features cash prizes and a post race celebration with pizza at Hairy Cow Brewing Company.

Trail run at Wapsi River Environmental Education Center with a self timed 5K and 1 mile course, proceeds benefit the Friends of the Wapsi Center.

A non-timed 2K and 5K trail run/walk at Case Creek Valley that welcomes leashed dogs and supports Rock Island County Animal Care & Control Shelter, with race bibs, optional T-shirts, finisher dog tags, and hydration stations.

A multi-loop trail event in Dixon IL using a roughly 7.85 mile loop with distances from 8 miles to 100 miles across singletrack, meadow, and gravel surfaces.

Trail races at Swiss Valley Nature Preserve in Peosta offering 50K, 25K and 5.2 mile looped courses with rugged terrain, camping, showers and shuttle service.

A point-to-point, all-trail ultramarathon on the Hennepin Canal Trail near Sterling, IL, offering 100-, 50-mile and 50K options with aid stations, bus service, and finisher awards.

Autumn Leaf Run is a 5K trail event at Oakdale Nature Preserve in Freeport on 10/03/2026. The looped course crosses prairies, creek and wooded trails and raises funds for park improvements through the Freeport Parks Foundation.