Swiss Valley Trail Races

Peosta, United States • 4 Oct 2025

The Swiss Valley Trail Races, held in Peosta, Iowa, offer three distance options: 5.2 miles, 25K, and 50K. Set within the scenic Swiss Valley Nature Preserve, the course features rugged terrain, creek crossings, and steep inclines, with each 5.2-mile loop climbing approximately 875 feet. The 25K consists of three loops, while the 50K includes six.

The event supports the Friends of Dubuque County Conservation, benefiting local parks and environmental education. Participants enjoy free camping and showers at nearby Swiss Valley Park and Campground, with shuttle service provided between parking and the start/finish area. The race is part of the No Coast Trail Series, emphasizing strong hill running. Visit the organization's website for the most recent information.

Race information

50 km
50k
25 km
25k
5 mi
875 m+
5.2 Miler
Visit the organization's website for the most recent information.
Trail runs nearby

The Galena Sky Trail Races, set for May 17, 2025, offer an exciting challenge for trail running enthusiasts at Chestnut Mountain Resort in Galena, IL. Participants can choose between an 8-hour or 4-hour timed loop course, featuring scenic views of the Mississippi River. The event includes a festive..

The Mines of Spain Trail Races is a scenic running event held in Dubuque, Iowa, featuring 4-mile, 7-mile, and half marathon distances. The race takes place at the EB Lyons Nature Center and showcases challenging trails through the Mines of Spain park, including dirt single and double tracks, prairie..

The Haunted Heritage Trail Fun Run, scheduled for October 4, 2025, in Dyersville, IA, features a variety of events including a 5K Haunted Heritage Trail Fun Run, a 10K Trail Run, and multiple 1-mile Hero Walks. Participants are encouraged to wear Halloween costumes as they navigate a spooky trail fi..

The Mines of Spain 100 is an ultra-marathon event featuring both 100-mile and 100-kilometer races, set in the picturesque bluffs, prairies, and forests of eastern Iowa's Driftless region. The race course, approximately 20 miles long, offers a diverse range of terrains, including steep technical sing..

The Miner 49er is an endurance running event held in the scenic Mines of Spain near Dubuque, Iowa. It features two race distances: a 25K and a 50K, with the 50K being a double loop of the 25K course. Runners experience approximately 2,200 feet of elevation gain on the 25K and 4,400 feet on the 50K...