Ultra Running Hub Waterloo, IA, United States · Saturday, May 16, 2026
Fixed Distance 50K
Death by 5k Waterloo
Race completed
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level
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
Field size ~169 Mid-sized. Company early, well spread out by halfway.
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, May
Daytime high 21°C
Night low 9°C
Rainfall Showers likely
Daylight 14 h 36 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 293 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 169 | Joshua Wiseman · 03:14:23 | Leah McConville · 04:05:43 |
| 2025 | 50km | 147 | Anthony Holguin · 03:23:19 | Kristine Harris · 03:51:57 |
| 2024 | 50km | 130 | Barry Francois · 03:31:16 | Ethan McKee · 03:28:40 |
| 2023 | 50km | 106 | Joshua Einspahr · 03:33:12 | Ethan McKee · 03:52:20 |
The field grew 15% between 2025 (147) and 2026 (169). 44% 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.
Course notes
- gear With road terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of road.
- Trail Running Shoes 50 km of road — 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.
Similar races
Other 50K road ultras, closest in distance first.