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Race to the Top of Mt. Umunhum

Date:Saturday, March 8, 2025
Location:Almaden Quicksilver County Park
Hacienda Entrance

21785 Almaden Rd
San Jose, CA 95120
Race Distances:Half Marathon
Start Time:8:30 AM All Distances. 6-hour time limit

About the Race

This Half Marathon race starts at the Hacienda Entrance of Almaden Quicksilver Park and will take you up to the top of the exclusive Mt. Umunhum.

Volunteers are needed to help with aid stations.
Everyone who helps out gets a free future race!


DISTANCE BY 9/30/24BY 12/31/24BY 3/7/253/8/25
Half Marathon$100$105$110$115
Prices do not include processing fees
  • Active military & first responders receive a 15% discount. Please email to process your registration discount.
  • Entry fees are non-refundable, but the full registration amount (minus processing fees) may be transferred to another future TCTRuns by contacting at least 24 hours before the scheduled event.
  • Runners may purchase a Troy’s California Trail Runs sport-tek technical fabric shirt during the registration process, or at the event supply permitting.  All shirts are gender-specific and come in sizes ranging from ladies XS all the way to mens XXL and youth sizes S to XL.
Online registration is available through the evening before the race.
Race day registration is available beginning at 7:00 AM.


  • 7:00 AM — Registration/Sign-In/Bib-Pick Up Opens
  • 8:15 AM — Trail briefing
  • 8:30 AM — Race Start

Please arrive early as we expect a full event.

Course Information & Maps

Toilets are available at the start/finish line. They are first-come first-served, so please be respectful of other runners waiting for and needing to use the toilets. Toilets also available at ALL aid stations.

The course is Point to Point.

Courses will be marked with single solid PINK color ribbons tied to clothespins, ORANGE cones, signs & gypsum.

Half Marathon (2:30pm overall cutoff, 6 Hour Time Limit)

  • Course Ascent: 4,767 feet.
  • Race Bibs: Runners will have black-numbered bibs on a yellow background.
  • Course Ribbons:
    • Follow pink ribbons up to Woods Parking Lot Aid Station (Mile 5.3, Toilet Available).
    • ATTENTION No Pink Ribbons for 1.8 Miles on the Barlow Trail from Mile 8.2 to Mile 9.9.
      • At Mile 8.2, starting at the bottom of the Barlow Trail for 1.8 miles on a dirt road, a very steep climb up for 1.8 miles to Mile 9.9, there will be NO RIBBONS until reaching Aid Station 2 at the top of the Barlow Trail.
    • Then Follow pink ribbons out to the Mt. Umunhum & Barlow Trail Intersection Aid Station (Mile 9.9, Toilet Available).
    • No pink ribbons to the HALF MARATHON FINISH, but signs at 3 miles from Finish.
  • Aid/Water Available
    • Hacienda Parking Lot Start (Mile 0.0, 8:30am, Toilet Available)
    • Aid Station 1: Woods Parking Lot Aid Station (Mile 5.3, Cutoff 10:30am, Toilet Available)
    • Aid Station 2: Mt. Umunhum & Barlow Trail Intersection (Mile 9.9, Cutoff 1:00pm), Toilet Available)
    • Finish (Mile 13.35, 2:30pm noon cut off, Toilet Available).

Route map for TCTRUNS Race to the Top of Mt. Umunhum Half Marathon by TCTRuns Web Team on

WATCH OUT for falling trees due to weather.

Please note cutoffs will be strictly enforced for the half marathon.

Drop Bags / Clothing Drop Offs

  • Aid Station Woods Parking lot. (Mile 5.3)
  • Mt. Umunhum Summit Parking Lot (Race Finish)

Drop Bags will be brought to the Mt. Umunhum Summit Parking Lot (FINISH LINE).
ATTENTION Runners, we recommend having WARM CLOTHING to put on after your run at the Finish Line.

Any runners that would like to drop bags off at to be taken to the Aid Station and/or the Finish area please give to staff at Runner Check in.

Parking and CarpoolingIMPORTANT

  • Parking is available at the Hacienda main entrance in the back overflow parking lot on the right, carpooling encouraged. Please park in an orderly manner.
  • The bus shuttle will drop off runners in the front main parking lot at the Hacienda main entrance after the race. Do not park in this area. See shuttle times below.

Transportation from the Finish Line back to the Start Line

ATTENTION – This event is a Point to Point event & will Require shuttling runners from the finish line at the Mt Umunhum parking lot back to the Hacienda parking lot. 

We will be shuttling runners from the finish line back to the Hacienda entrance parking lot.

Shuttles Times from Finish Line back to Hacienda parking lot:

  • 11:00 am
  • 12:30 pm
  • 2:00 pm or after the last runner finishes the race

ATTENTION Runners we are informing you not to have anyone pick you up at the Finish Line.

The Mt. Umunhum parking lot is very small & our arrangement with Midpeninsula Regional Open Space District would be to not overwhelm their parking lot with our event. This must be honored by all participants please so we continue to have a good working relationship with this agency. We will have staff monitoring the Mt. Umunhum parking lot entrance insuring nobody will disregard our promise to Midpeninsula Regional Open Space District. Thanks!

Transportation after the event is approximately 20 minutes from the Finish Line to the Start Line.

Travel and Accommodations

Troy’s California Trail Runs is partnered with iWeekender to provide comprehensive travel packages that include accommodations, air travel, and rental cars.

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