Mt. Umunhum Marathon

San Jose, United States • 20 Sep 2025

The Mt. Umunhum Marathon, Race to the Top and Down, is a challenging trail running event held in Almaden Quicksilver County Park, San Jose, California. This marathon features a rugged course that begins at the Hacienda Entrance and ascends to the summit of Mt.

Umunhum, one of the prominent peaks in the South Bay Area. Runners then descend back to the starting point, experiencing the scenic beauty of the surrounding hills and Quicksilver State Park. The race offers a unique adventure through natural terrain, combining elevation gain with stunning vistas, making it a memorable event for trail running enthusiasts. Visit the organization's website for the most recent information.

Race information

26 mi
Marathon
Visit the organization's website for the most recent information.
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