Mt. Umunhum Ultras
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Mt Umunhum Ultras : Almaden-Quicksilver County Park
The event on Saturday, June 12, 2027 takes place at Almaden-Quicksilver County Park, Mockingbird Hill Entrance, 19535 Mockingbird Hill Lane, San Jose, CA. It offers multiple trail distances and uses marked ribbons on the course to guide runners. Pink ribbons tied to clothespins mark primary route segments and orange ribbons mark certain climbs and aid station approaches.
Distances
- 100K
- 50 miles
- 50K
- Trail marathon (26 miles)
- 30K
Course formats include out-and-back sections and repeat laps for longer distances. Specific turnarounds are designated at aid stations and trail intersections (for example, 50K and 50M turnarounds and a 30K turnaround at the Woods parking lot). Time limits apply by distance: a 20-hour limit for the longest events and a 10-hour limit for the shorter ultras.
Aid stations are placed at multiple mileages, remain open until the last runner, and provide water stops. Drop bags are collected race morning, delivered to requested aid stations, and returned when possible; bags are labeled with the aid station name. Lights are required when on dark sections of trail and may be left at aid stations for later use. Pacer rules include one pacer at a time, no muling, and specific pacer pickup points for the 100K. Visit the organization's website for the most recent information.
