Peosta, IA, United States · Saturday, October 3, 2026
Swiss Valley 50 km Trail Race
Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.
What the course asks
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Regional 2001-2020 average for October — NASA POWER, grid elevation 275 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50km | 21 | Nolan Welbes · 05:53:11 | Cassandra Bishell · 07:12:06 |
| 2024 | 50km | 12 | Kyle Weber · 06:01:11 | — |
| 2023 | 50km | 18 | R.J. Montes · 05:16:34 | Constance Gambrall · 06:26:18 |
| 2022 | 50km | 17 | Jacob Gallagher · 05:11:42 | Constance Gambrall · 06:12:22 |
| 2021 | 50km | 14 | Ross Salinas · 04:56:23 | Simona Leafe · 06:48:33 |
The field grew 75% between 2024 (12) and 2025 (21). 19% of the 2025 field were women.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Overview
The Swiss Valley 50 km Trail Race, organized by the Swiss Valley Trail Run Community, offers a 50 km trail experience in Peosta, IA, United States. Held in October, this fixed-distance event has been run 5 times since its 2021 debut, with the latest edition in 2025 seeing 21 finishers.
Runners will find a smaller field than 33% of its 2662 peer 50k races, making for a less crowded experience. The course is described as featuring creek crossings, steep inclines, and rugged terrain, with a 5.2-mile loop format.
Similar races
Other 50K trail ultras, closest in distance first.