Ultra Running Hub Red Feather Lakes, CO, United States · Friday, September 25, 2026
Red Feather Trail Jamboree - 50mi
What the course asks
DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, September
Regional 2001-2020 average for September — NASA POWER, grid elevation 2414 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50mi | 60 | Tristan Miller · 09:36:58 | Aleksandra Wronka · 10:06:09 |
| 2024 | 50mi | 44 | Jack Flynn · 09:26:18 | Erin Scallen · 11:08:11 |
| 2023 | 50mi | 27 | Jim McCue · 09:39:24 | Emma Horton · 10:25:15 |
The field grew 36% between 2024 (44) and 2025 (60). 28% of the 2025 field were women.
DUV results for the 2025 edition (50mi) — 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
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 80 km of trail with 1,560 m of ascent.
- Trail Running Shoes 20 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 80 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 1,560 m of ascent to walk up.
- Headlamps A 16 h limit puts you out there after dark.
Overview
The Red Feather Trail Jamboree 50-mile race, organized by Gnar Runners, takes place in Red Feather Lakes, CO, with its next edition on September 25, 2026. This trail race, with 1560 meters of elevation gain over 80 kilometers, presents a climb of 19.5 meters per kilometer.
The 16-hour time limit translates to a 12 minutes per kilometer cutoff pace, which is more generous than 34% of 463 peer 50-mile races. With 60 finishers in its latest edition, this race has a larger field than 57% of 661 peer 50-mile races. The course, starting at the Ben Delatour Scout Ranch, is mostly singletrack (70-80%), with the remainder on dirt roads.
Similar races
Other 50 mi trail ultras, closest in distance first.