Trail Running Calendar Iowa 2026-2027

We have found 32 Trailruns in Iowa. Check below where and when you can find the races.

Trail races in Des Moines on April 4, 2026 offering 8 mile and 4 mile distances with clear course marking, basic timing, a custom bib, a rotating race item, and post race food.

Take on the trails at Coralville Creekside Park. Choose between a 5K or a 10-mile course in this annual challenge supporting the Red Shamrock Foundation. The chip-timed event welcomes all paces.

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.

This 5K trail race loops through the scenic Kuehn Conservation area along the Raccoon River. The course features prairie trails, woodlands, and floodplains. The event supports the local service projects of the Adel Rotary Club.

Event Details The AAZK Race Against Extinction is a trail running and hiking event held on Friday, April 24, 2026. This is the 17th annual edition. It takes place at Hitchcock Nature Center in Honey Creek, Iowa, within the scenic Loess Hill..

May 2026

Trail run in Dubuque on May 2, 2026 offering 5K, 10K and half marathon distances. The event features marked trails, basic timing, a custom bib, a rotating race item, and post-race food; series entry includes a series gift.

Event Overview The Friends of Yellow River State Forest Trail Run is the seventh annual running event held in the state forest. It takes place over two days, with events on May 8 and 9, 2026. The event is organized by the Friends of Yellow..

Run the beautiful single-track trails at Sunderbruch Park in Davenport. Choose from a ~5k or a ~10k course, followed by a community potluck. This cup-free event supports the local trail builders.

A running event in Little Sioux, Iowa on May 16, 2026 offering a half marathon distance and a fun run; registration is listed as coming soon and an event page is available on Facebook.

June 2026

The Crater Trail Run explores the single-track trails of Van Peenen Memorial Park in Decorah, Iowa. Races range from a kids mile to a 50K ultramarathon, all on a groomed, marked trail system. Proceeds support local schools and trail organiz..

An inclusive community 5K in West Des Moines that promotes health equity and cultural awareness, with no finish times recorded and accessible paths at Raccoon River. Packet pick up and a concluding dance party are part of the event.

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..

The Iowa Trail Run Series: Sleepy Hollow will take place in Des Moines on Saturday 27 June 2026. You can run between 5 and 10 kilometers.

July 2026

Join the Heartland Series Day 5 in Clinton, Iowa, on July 15, 2026. The event, organized by Mainly Marathons, features a variety of distances from a 5K to a 50K on the Discovery Trail. It's part of a multi-day running community series.

Run the trails at Iowa's largest state park. This July event features a scenic 25K or 50K loop course around Lake Macbride. Join a capped field for a community-focused trail race.

Discover the scenic trails of Iowa's Whiterock Conservancy at this summer ultra. Choose between a 50K or 50-mile course that winds through the river valley. Your run helps support this 5,500-acre nonprofit land trust.

August 2026

Challenge yourself on the scenic trails of Iowa's Mines of Spain with 4-mile, 7-mile, and half marathon races. The courses feature a mix of prairie paths, forest tracks, and blufftop views. Proceeds support local trail conservation.

Explore the diverse trails of Scott County Park at the ScoCo50 trail run. Choose from 50K, 10 mile, or 5 mile distances on a forgiving course through woods and prairie. The event includes aid stations and supports the local park.

September 2026

The Booneville Backroads Ultra takes runners through Iowa's rural countryside, including the Bridges of Madison County. New for 2026, the ultra courses will be marked, and crew support is permitted. A discount is available for female Trail..

The 12th annual Pleasant Creek Trail Run offers 45K, 30K, and 15K distances on a clockwise trail course at Pleasant Creek Park. The event features packet pickup and awards for winners. It supports the Eastern Iowa Trail Alliance's mission t..