Trail Running calendar near Waterloo 2026-2027

A trail race in Coralville on April 4, 2026 offering 10 mile, 5K and a new 1500 meter fun run to benefit the Red Shamrock Foundation, with mixed-surface trails, aid stations, event shirts, and chip timing.

Trail races at Lake MacBride State Park on April 11, 2026 offering 5K, 10K and half marathon distances with marked courses, basic timing, a custom bib and post-race food.

A two-day trail run and walk at Yellow River State Forest in Harpers Ferry, Iowa on May 8 and 9, 2026, offering 5K, 10K and a half marathon with timed results, age-group prizes and sponsorship opportunities.

Crater Trail Run in Decorah, IA runs on Van Peenen Park single track trails with distances from a kids mile to a 50K. Aid stations provide water and snacks and proceeds support local schools and trails.

Evening trail 5K and 10K at McFarland Park near Ames on June 13, 2026, with single-track, prairie and gravel sections. A portion of registration supports Conservation Partners of Story County; the event includes basic timing, custom bibs, a..

Trail races at Lake Macbride State Park in Solon, IA featuring 50K and 25K looped courses on limestone and singletrack, multiple staffed aid stations, and a capped field for 2026.

A trail running event at Pleasant Creek Park on September 12, 2026, offering 15K, 30K and 45K looped courses on dirt and grass with rolling hills, timed results, age-group and overall awards, and a post-race cookout.

Trail races at Yellow River State Forest on September 20, 2026 offer 5K, 10K and half marathon options on varied trails with valley views. The event includes course support, a custom bib, rotating race items and post race food.

Run the fast, smooth dirt trails of George Wyth State Park in Iowa. Choose a 13K or 25K loop through woods and prairie. Celebrate your finish with food, including breakfast pizza.

Trail races at Swiss Valley Nature Preserve near Peosta, Iowa, on a rugged 5.2-mile loop with 5.2-mile, 25K, and 50K options, free camping and shuttle service, and proceeds supporting local conservation.

The Meyerhoff's Mayhem will take place in Cedar Falls from Friday 16 October 2026 to Sunday 18 October 2026. You can run between 4 and 4 hours.