Summer ultramarathons in Iowa, United States

Moderately challenging loops through Lake Macbride State Park with crushed limestone paths, technical snowmobile trails, diverse terrain, and scenic lake views.

Scenic trails weaving through 5,500 acres of Whiterock Conservancy, with river valley views and varied landscapes in Coon Rapids, Iowa

Looped 50k and 50 mile courses through Moorehead Park’s singletrack dirt and meadow trails, rolling hills, historic sites, and 1,000 feet of elevation gain per

Varied Scott County Park trails north of Davenport, with gentle, runnable terrain and a flowing 50k format designed to feel approachable.

4.167-mile loop every hour, up to 12 hours; minimal aid, self-reliant format; last runner standing wins after one final lap

200-mile point-to-point on mostly paved, vehicle-free trails; largely flat, non-repetitive course with a semi-self-supported format.

Groomed, marked singletrack in Decorah’s bluff country, with distinctive terrain through Van Peenen Memorial Park.

Multi-loop 9-hour endurance run on Schuetzen Park trails, solo or relay format, with aid stations and the challenge of accumulating maximum distance