Race. Train. Gear up.
Saturday, September 26, 2026 Mt. Wilson, CA, USA
Trail 50k

Mount Disappointment Mountain Race

106 days away
50km Distance
1,740m Elevation
5.1 Grit Score
Challenging Level
Vertical Intensity 35 D+/km
Flat Hilly Mtn

Moderate undulations. Requires consistent effort across varying grades.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Course Intelligence

OPENFREE MAP (LIBRE)

Course Notes

Start at the summit of Mt. Wilson (Mt. Wilson Observatory parking lot).Course is scenic, yet strenuous and challenging. Final climb to the summit of Mt Wilson up the Kenyon Devore Trail.