Ultra Running Hub Thunder Bay, ON, Canada · Saturday, October 3, 2026
UpRiver Running Fall Races
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 360 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50km | 23 | Scott Wiebe · 04:15:55 | Rachelle Doyon · 04:46:19 |
| 2024 | 50km | 17 | Steve Dorval · 04:35:44 | Christa Kruse · 06:03:36 |
| 2023 | 50km | 16 | Kyle MacKay · 05:07:19 | Emma Costa · 05:34:09 |
| 2022 | 50km | 21 | Justin Friedel · 05:13:20 | Rachel Lee · 05:33:59 |
| 2021 | 50km | 31 | Scott Wiebe · 04:30:05 | Rebecca Bennitt · 04:55:23 |
| 2019 | 50km | 17 | Michel Caza · 05:12:48 | Rebecca Andrews · 05:04:47 |
| 2018 | 50km | 16 | Scott Wiebe · 04:45:54 | Marianne Stewart · 06:32:36 |
The field grew 35% between 2024 (17) and 2025 (23). 30% 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 UpRiver Running Fall Races 50k, organized by UpRiver Running, has been held 7 times since 2018 in Thunder Bay, ON, Canada. This trail race, with its 2025 edition seeing 23 finishers, has a smaller field than 36% of 2647 peer 50k races.
The 50k event consists of two out-and-back sections of a 25k course. Runners can expect a course that is 80% single-track, designed to maximize enjoyment on the trails starting from the cabins in Centennial Park. The next edition is scheduled for October 3, 2026.
Similar races
Other 50K trail ultras, closest in distance first.