Trail Running calendar near Waterloo 2025-2026

Join the 15th annual Team Red Shamrock Trail Challenge in Coralville for scenic 10 mile and 5K trail routes supporting pediatric cancer survivors and research. Enjoy singletrack, aid stations, swag, and awards while racing for a great cause..

Run scenic trails in Yellow River State Forest on May 8 and 9, 2026 with 5K, 10K and half marathon options. Family friendly Friday 5K allows leashed dogs and Dirty Double entrants get a hand crafted race mug.

Run at McFarland Park near Ames in the Iowa Trail Run Series as the sun sets, with scenic 5K and 10K trails across single track, prairie and gravel. Enjoy race swag, post race food and community fun while supporting park conservation.

Take on scenic singletrack at Pleasant Creek Trail Run in Palo, Iowa on Sept 13, 2025. Choose 45K, 30K or 15K and enjoy aid stations, post race awards and community support from the Eastern Iowa Trail Alliance.

Test your legs on rugged, scenic loops at the Swiss Valley Trail Races with 50K, 25K and a 5.2 mile course. Enjoy creek crossings, big climbs, free camping and showers while supporting local conservation; registration opens Jan 1, 2026.