Red Feather Trail Jamboree 50K is the 50.0km ultra trail at Red Feather Trail Jamboree 2025 (Red Feather Lakes, United States). The race starts on September 26, 2025.
The course climbs 1280m+. With 26m/km of climbing, this is a rolling, mostly runnable course. By gradient, 36% of the distance is uphill, 35% downhill and 29% flat. Surface: 77% trail and 21% smooth. Flat-equivalent effort: 61.1 FlatKM.
Poles bring little benefit here: only about 0.4km of pole-friendly terrain.
Quad damage risk is low (index 17 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 7°C to 18°C, with around 19°C at the highest point; the chance of precipitation is about 26%.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Red Feather Trail Jamboree 50K.
Other distances of Red Feather Trail Jamboree 2025Red Feather Trail Jamboree 50mi (80.0km)·Red Feather Trail Jamboree Half Marathon (22.0km)
