Mt. Umunhum Trail Conquest - Winter

San Jose, United States • 7 Feb 2026

Event overview

The Mt. Umunhum Trail Conquest - Winter is a trail running event held on Saturday, February 7, 2026, at Almaden Quicksilver County Park, Hacienda Entrance, 21785 Almaden Rd, San Jose, CA 95120. Distances offered include:

  • 50K
  • Trail Marathon
  • 30K
  • 1/2 Marathon
  • 7 Miler
  • 5K
  • Mile
  • Kids Run

On-site registration and bib pick-up are available on the day of the event. Registration closes on the race day.

Course and race logistics

The start location is the Hacienda Entrance of Almaden Quicksilver Park. The 30K, Trail Marathon and 50K routes enter the Sierra Azul Open Space Preserve. The 30K route reaches the summit of Bald Mountain. The Trail Marathon and 50K routes ascend Mt. Umunhum.

Courses are marked with ribbons, signs and gypsum. Aid stations will be available. Toilets are provided at the start/finish area and are first-come, first-served. All finishers will receive a commemorative medal. Participants are advised to dress appropriately for an endurance trail run. Visit the organization's website for the most recent information.

Race information

50 km
50k
42 km
Marathon
30 km
30k
21 km
1/2 Marathon
7 mi
7 Miler
5 km
Kids Run
Mile
Visit the organization's website for the most recent information.
Trail runs nearby

Enjoy scenic redwood trails at Huddart Park with distances from 3 Mile to Half Marathon, plus a family Mermaid Dash for kids. Try the festive 6 Hour Challenge to see how many 3 Mile loops you can cover, or join virtually.

Enjoy scenic trails around Lake Chabot in Castro Valley with distances from 8K to 50K plus a free kids dash. Well marked routes, stocked aid stations, and gorgeous reservoir views make this a great autumn trail challenge for all levels.

Take on the rolling, scenic trails of Rancho Cañada del Oro in Morgan Hill with distances from 5K to 50K. Expect challenging hills, mixed singletrack and fire road, creek crossings and big views framed by old oaks for a true trail running a..

Celebrate Thanksgiving at the Zoom Turkey Trot in San Jose at Hellyer Park with a USATF certified half, 10K, 5K and kids runs, plus t shirts and finisher medals. Flat, fast courses and stocked aid stations welcome all abilities.

Join the Quarry Turkey at Quarry Lakes on November 29 for a fast, mostly flat trail 5K, 10K or half marathon with a free kids sprint and family friendly Thanksgiving costumes encouraged. Proceeds benefit Alameda County Community Food Bank.

Tackle scenic singletrack and dirt at Calero County Park in the Calero Trail Run Winter, with distances from a kids mile to a 50K. Expect rolling hills, oak vistas, aid stations, a finishers medal and race day registration.