Mt. Umunhum Trail Conquest - Winter

San Jose, United States • 6 Feb 2027

Mt. Umunhum Trail Conquest (Winter)

The event is a multi-distance trail running event at Almaden Quicksilver County Park, beginning at the Hacienda Entrance. Distances offered include a kids run through up to a 50K, and several courses are out-and-back. The 30K, trail marathon, and 50K travel into the Sierra Azul Open Space Preserve. The 30K includes a summit of Bald Mountain; the trail marathon and 50K include the Mt. Umunhum summit.

Distances:

  • Kids Run
  • 1 Mile
  • 5K
  • 7 Mile
  • Half Marathon
  • 30K
  • Trail Marathon
  • 50K

Courses are marked with single solid color ribbons tied to clothespins, signs, and gypsum. Toilets are available at the start/finish and at all aid stations and the water stop. Named aid stations and water stops appear on course at locations such as the Woods Parking Lot, Barlow Water Station, Mockingbird Parking Lot, Hacienda Parking Lot, and the Mt. Umunhum summit; aid station placement and cutoffs vary by distance.

Reported course ascent figures highlight elevation gain on several courses, for example the 5K (968 feet), 7 Mile (1,529 feet), Half Marathon (3,159 feet), 30K and Trail Marathon (5,072 feet), and 50K (7,635 feet). Time limits are specified per distance, with multi-hour limits and staged cutoff points on longer courses. Visit the organization's website for the most recent information.

Race information

50 km
50k
26 mi
Trail Marathon
30 km
30k
13 mi
Half Marathon
7 mi
7 Mile
5 km
1 Mile
Kids Run
Visit the organization's website for the most recent information.
Trail runs nearby

Held May 3, 2025 at Almaden Quicksilver County Park, this trail event offers distances from a kids run to 50K on dirt roads and single track, with marked courses, multiple aid stations, drop bag service at the Hacienda and free parking.

Trail ultramarathons in Almaden Quicksilver County Park on May 9 2026, offering a 100K and a 50K with substantial elevation gain, course maps and GPX files, USATF sanctioning, aid stations, volunteer support, swag and a post race party.

Celebrate the 24th year of this community event in Los Altos Hills. Run or walk through the Westwind Community Barn and Byrne Preserve on hilly 5K, 10K, or 1 mile courses.

Trailquake is a trail race in Saratoga, California on May 10, 2026 offering 5K, 10K and a half marathon through redwoods and pines. Hikers and walkers are welcome and the half marathon is part of the Brazen Ultra Half Series.

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