Swiss Valley Trail Races
This trail run will feature all the best of the Dubuque County landscape including creek crossings, steep inclines, and rugged terrain. The run will offer three distance options: 5.2 miles, 25k, and 50k all set against the beautiful backdrop of Swiss Valley Nature Preserve. All proceeds from the run will benefit the Friends of Dubuque County Conservation who help support Dubuque County parks and environmental education!
Upcoming Races
Oct 3 2026
50 KM
Six 5.2-mile loops
5,250
5,250
ft.
Multiple Loop
3
Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3
Surface Rating
Some rocks, root, and/or ruts
Additional Distances
This event also has the following sub ultra distances
25 KM
5 Miles