Trail Running calendar near Illinois City 2025-2026

Brave winter trails in Dubuque County at the Triple D Winter Endurance Race, featuring bike and run distances from 5K to 70 miles on the Heritage Trail and nearby routes. Finish at 7Hills for warm food, prizes and community celebration.

Take on the Skunk Ape 806 314 Trail Race at Lowell Park with 33.75 mile and 13.5 mile solo options or a team 806 relay. Alternate wooded loops, enjoy hearty aid station fare and finisher swag, and chase podium awards and great camaraderie.

Join the Team Red Shamrock Trail Challenge at Coralville Creekside Park, a charity trail race with 5K and 10 mile options. Enjoy varied single track, grass and paved trails and a post race celebration at Field Day Brewing Co.

Explore Iowa's scenic parks with the Iowa Trail Run Series, offering 5K and 10K races plus kids runs across the state. Expect marked courses, rotating swag, post race fuel and beer, with a season pass option.

Hit the trails at Loud Thunder Forest Preserve on April 18, 2026 with 50 mile, 50K and half marathon distances. Looped single and double track, big climbs and stocked aid stations create a scenic, serious trail challenge.

Part of the Iowa Trail Run Series, Mines of Spain in Dubuque offers 5K, 10K and half marathon trail options on Saturday May 2, 2026. Expect marked courses, rotating race swag, optional tech shirt and tasty post race food.

Take on scenic single track at Sunderbruch Park on May 16 2026 with 5K and 10K options for all levels. Expect dirt trails, technical sections, aid stations, and a relaxed post race potluck with bacon and beer.

Take on scenic, technical trails at the Mines of Spain Trail Races in Dubuque, IA on August 8, 2026, with 4 mile, 7 mile and half marathon options. Enjoy bluff views of the Mississippi, challenging climbs and a family friendly kids mini rac..

Tackle singletrack at Pleasant Creek Park in Palo, Iowa on Saturday, September 13 for the 11th Pleasant Creek Trail Run. Choose 15K, 30K or 45K and enjoy a scenic counterclockwise course with aid stations and a postrace celebration.

Take on rugged trails and creek crossings at the Swiss Valley Trail Races in Peosta, Iowa on Oct 3, 2026, with 5.2 mile, 25k and 50k loop options. Proceeds benefit Friends of Dubuque County Conservation and free camping and shuttles ease ra..

Run the Hennepin Hundred, an all trail ultramarathon along the scenic Hennepin Canal featuring flat terrain and canal and farmland views. Distances: 100, 50, 50K and team relay with Western States qualification for the 100.

Explore rugged, scenic trails along the Mississippi at the Mines of Spain 100 in Dubuque on October 16, 2026. Choose 100 mile or 100K on a roughly 20 mile loop through prairies, hardwood forests and technical climbs.