Ultra Running Hub Mulmur, ON, Canada · Saturday, May 30, 2026
Great Mansfield Outdoors 50km
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 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
Regional 2001-2020 average for May — NASA POWER, grid elevation 352 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 46 | Andrew James · 05:01:37 | Anna May · 05:06:31 |
| 2025 | 50km | 36 | Ryan Ruffner · 04:43:45 | Melanie Duras Deeks · 05:21:02 |
| 2024 | 50km | 35 | Andrew Thomas · 04:44:35 | Maria Susana Bastidas Tamayo · 06:16:16 |
The field grew 28% between 2025 (36) and 2026 (46). 30% 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
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.
Similar races
Other 50K trail ultras, closest in distance first.