Cascade Locks, OR, United States · Saturday, November 7, 2026
Thunder River
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, November
Regional 2001-2020 average for November — NASA POWER, grid elevation 612 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50km | 66 | Peter Buckley · 03:48:44 | Ashley Figel · 04:53:54 |
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
Thunder River is a 50k trail race, organised by Daybreak Racing, that takes place in Cascade Locks, OR, each November. The single edition so far in 2025 saw 66 finishers.
With a time limit of 8.5 hours for the 50k distance, this race has a tighter cutoff than 76% of 50k races, demanding a pace faster than 10.2 minutes per kilometer. This leaves less margin for error or extended breaks compared to most races at this distance. The field size of 66 finishers in its inaugural year was larger than 67% of 50k races.
Similar races
Other 50K trail ultras, closest in distance first.