Race. Train. Gear up.
Saturday, June 6, 2026 San Jose, California, USA
Trail 50k

Mt. Umunhum Ultras - 50 km

Race completed
50km Distance
2.5 Grit Score
Entry Level Level
Vertical Intensity 0 D+/km
Flat Hilly Mtn

This course is relatively flat and fast. Ideal for PB attempts.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat 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

It is with great excitement that we present the trail running community with an exclusive trail racing event – the Mt. Umunhum Ultras! Join us for over 15,000 feet of elevation gain on a 52 Mile, or 50K adventure that will take you through mystical