Mt. Umunhum Trail Conquest - Winter

San Jose, United States • 6 Feb 2027

Mt. Umunhum Trail Conquest (Winter)

The event is a trail running series hosted at Almaden Quicksilver County Park, Hacienda Entrance, 21785 Almaden Rd, San Jose, CA. Courses are out and back and are marked with single-color ribbons, signs, clothespins, and gypsum. Toilets are available at the start and finish and at all aid stations and the on-course water stop.

Distances offered:

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

Several courses travel into the Sierra Azul Open Space Preserve. The 30K summits Bald Mountain. The trail marathon and the 50K include the Mt. Umunhum summit section. Reported course ascent values include: 5K 968 ft, 7 Mile 1,529 ft, Half Marathon 3,159 ft, 30K 5,072 ft, Trail Marathon 5,072 ft, and 50K 7,635 ft.

Aid stations are placed at multiple points including Hacienda, Woods Parking Lot, Mockingbird Parking Lot, Barlow Water Station, and Mt. Umunhum Summit; many stations list toilets and scheduled cutoff times for runner access. Time limits vary by distance, for example the half marathon has a 4 hour limit, the 30K a 7 hour limit, and the trail marathon and 50K a 9 hour limit. Free parking is available at the Hacienda entrance and carpooling is encouraged. Volunteers are requested to staff aid stations and volunteers receive a free future race credit. Visit the organization's website for the most recent information.

Race information

50 km
50k
Marathon
Trail Marathon
30 km
30k
Half Marathon
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

San Mateo PAL's May 30, 2026 community event at Seal Point Park features a 5K run/walk, a 10K run, a free Wellness Fair, and a yoga option. Race entries include a t-shirt and finisher medal, and vendor booths are available.

A multi-distance trail event at Calero County Park in San Jose on May 30, 2026, featuring single track, dirt paths and hilly terrain up to 50K, with aid stations, free parking and drop bag support for the 50K.

A trail event at Almaden-Quicksilver County Park on June 7, 2025 offering distances from 5K to 50K, steep climbs, marked courses, aid stations, and toilet facilities. The 52 mile race is not held in 2025 and is planned to return in 2026.

Experience the 42nd annual Lake Chabot Trail Challenge featuring a scenic half marathon loop and a paved 5K run. Enjoy views of the San Francisco Bay and Mt Diablo while competing for medals on chip timed courses.

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