Logo

Swiss Valley Trail Races

Peosta, United States • 3 Oct 2026

Event

The Swiss Valley Trail Races take place at Swiss Valley Nature Preserve in Peosta, Iowa. The event offers the following distances:

  • 50K
  • 25K
  • 5.2 Miler

Registration opens January 1, 2026. All proceeds benefit the Friends of Dubuque County Conservation. Free tent camping and showers are available at Swiss Valley Park and Campground.

Course and logistics

The trail run features creek crossings, steep inclines, and rugged terrain through the Dubuque County landscape. The course is an approximate 5.2 mile loop that climbs roughly 750 to 875 feet per loop. The 25k consists of three loops and the 50k consists of six loops. Parking is at Swiss Valley Park with shuttle service to the start/finish area. Packet pickup is available at Dimensional Brewing Company on the Friday before the race and at the Swiss Valley Nature Center on race day. Visit the organization's website for the most recent information.

United States Iowa Peosta

Race information

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

Triple D Winter Race

Dubuque

...

Take on the Triple D Winter Race in Dubuque County on January 17, 2026 with bike and run distances for every level. Organized by local volunteers, the day ends with warm food and drinks at 7Hills Brewery Event Center and prizes for top fini..

Iowa Trail Run Series: Mines of Spain

Dubuque

Run the scenic Mines of Spain in Dubuque on May 2, 2026 with 5K 10K and half marathon options. Enjoy clear course support, a custom bib and a rotating race item, plus post race food and a series gift if you register for the full series.

Mines Of Spain 100 - Dubuque, IA

Dubuque

The Mines of Spain 100 offers 100 mile and 100 kilometer trail ultraruns on scenic loops around Dubuque's Mines of Spain. Expect rugged singletrack, steep climbs and Mississippi River views on a challenging multi loop course.