Ultra Running Hub North Prairie, WI, United States · Saturday, June 13, 2026
Kettle Moraine 50 km Endurance Run
What the course asks
DUV results for the 2026 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, June
Regional 2001-2020 average for June — NASA POWER, grid elevation 251 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 99 | Barrett Smith · 04:41:53 | Adrienne Eynon · 05:27:07 |
| 2025 | 50km | 106 | Evan Perigo · 04:27:43 | Allison Moran · 05:46:56 |
| 2024 | 50km | 109 | Stephen Lavey · 04:38:44 | Anna Patterson · 05:18:09 |
| 2023 | 50km | 98 | Josh Emory · 04:59:14 | Caitlin Chroge · 05:49:49 |
| 2022 | 50km | 71 | Barrett Smith · 04:32:13 | Christine O'Gorman · 05:01:22 |
| 2021 | 50km | 42 | Andrew Komp · 05:22:47 | Candice Knuteson · 06:00:05 |
| 2019 | 50km | 101 | John Schreier · 04:11:43 | Jill Wojta · 04:51:04 |
| 2018 | 50km | 83 | Josh Shapiro · 04:42:10 | Heidi Mane · 05:36:00 |
| 2017 | 50km | 67 | Nic Giebler · 05:06:38 | Cassie Kottke · 06:23:54 |
| 2016 | 50km | 83 | Juan Jose Moran · 03:58:36 | Annemarie Peterson · 06:16:06 |
The field shrank 7% between 2025 (106) and 2026 (99). 52% of the 2026 field were women.
DUV results for the 2026 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
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 820 m of ascent.
- 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 Kettle Moraine 50 km Endurance Run, held in North Prairie, WI, is a 50 km trail race with 820 meters of elevation gain, making for 16.4 meters of climb per kilometer. This point-to-point course starts at the Scuppernong aid station and finishes at the Nordic trail head.
With 99 finishers in its latest edition, this race has a larger field than 78% of its 2667 peer 50k races. The 9-hour time limit imposes a cutoff pace of 10.8 minutes per kilometer, making it tighter than 60% of 1024 comparable 50k races. This means runners will need to maintain a consistent pace to meet the cutoff. The race has been held 10 times since 2016.
Similar races
Other 50K trail ultras, closest in distance first.