Ultra Running Hub Trail 100k
Lost Sierra Endurance Run 100Km
43 days away
100km Distance
5 Grit Score
Challenging Level
Vertical Intensity 0 D+/km
This course is relatively flat and fast. Ideal for PB attempts.
The Aid Station
Course-specific beta from the community
This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Course Intelligence
OPENFREE MAP (LIBRE)Course Notes
The racecourse starts in downtown Graeagle, climbs to the crest of the Sierra, skirts the edges of a half-dozen alpine lakes, summits two rugged peaks, and then descends 4,000’ back into Graeagle for the finish.