Ultra Running Hub Klamath Falls, OR, United States · Saturday, May 30, 2026
Spence Mountain Run
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 1405 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 11 | Shane Lishawa · 04:31:16 | Tyanna Blaschak · 06:15:37 |
| 2025 | 50km | 12 | Shane Lishawa · 04:33:09 | Katie Crane · 05:56:44 |
| 2024 | 50km | 13 | Gerad Dean · 04:43:51 | Carli Godard Fish · 06:44:33 |
| 2023 | 50km | 16 | Gerad Dean · 04:39:03 | Kayla Rutland · 06:05:19 |
| 2022 | 50km | 14 | Asher Catterall · 04:13:15 | Kristi Leblanc · 05:30:31 |
| 2019 | 50km | 26 | Sergio Morales · 03:52:32 | Nicole Kandra · 05:21:40 |
| 2018 | 50km | 25 | Sergio Morales · 04:02:57 | Victoria Mayfield · 04:47:48 |
The field shrank 8% between 2025 (12) and 2026 (11). 18% 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.
Overview
The Spence Mountain Run, a 50k trail race in Klamath Falls, OR, has a smaller field than 17% of 2667 comparable 50k races. This race, which has been held 7 times since 2018, will next take place on May 30, 2026.
With an 8-hour time limit, the 50k race has a cutoff that is tighter than 80% of 1024 peer 50k races, requiring a pace faster than 9.6 minutes per kilometer. The course uses primarily single-track trails that are technical in nature with roots, rocks, and drops, and includes a climb to the summit of Spence Mountain.
Similar races
Other 50K trail ultras, closest in distance first.