September 26, 2020

Sierra Azul Trail Challenge

September 26, 2020 Hacienda Entrance to Quicksiliver • 21785 Almaden Rd, San Jose, CA 95120 San JoseCA  95120 View Map Organized by TCTRUNS

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About this event

September 26, 2020

Hacienda Entrance to Quicksiliver

21785 Almaden Rd, San Jose, CA 95120 San JoseCA  95120
View Map

About the Race

Run in the shadow of the infamous Mt. Umunhum. Set in the Sierra Azul Open Space Preserve, this is a one of a kind running experience that provides unique access to gorgeous trails and scenery not viewed by many. This is one of the toughest trail races that we host. Come prepared for a fantastic adventure!

– Troy



Event details and schedule

The Trail

100% Single Track and Fireroads
Surface: Dirt, rocky, single-track trail and fire roads from Start to Finish
Course: The Woods Trail, Out and Back!
Elevation Profile: Steep hills that roll throughout the course.
Weather: California Spring, Highs – 65 degrees / Lows 40 degrees.
Parking: Plenty of parking is available for this event.
Carpooling is encouraged.
Bib Pick-Up and Registration takes place on Race Day.


  • Multiple aid stations will be open throughout the course. Aid offerings may be limited due to state and county rules, however, TCTRUNS will offer a drop-bag service for all runners at the start of the race, with personal items delivered to turn-around aid station locations.
  • Please come prepared for an endurance event, particularly if you are planning to run some of the longer course offerings, and if you are unwell or have been unwell in the past two weeks, please roll-over your registration to a new event.
  • Please come prepared to obey all state and county regulations related to COVID-19.
  • Please come prepared to wear face mask coverings at race registration and before/after the race. Additionally, social distancing practices are recommended.
  • If the race is canceled due to COVID-19, we will offer race registration roll-overs to future events or a refund.
  • TCTRuns staff will be taking prevention precautions for this race.


  • 6:30 AM: Runner check-in.
  • 7:50 AM: Trail briefing.
  • 8:00 AM: All distances start.

Sierra Azul 5K -
Sierra Azul 10K -
Sierra Azul 9 Miler -
Sierra Azul Half Marathon -
Sierra Azul 16 Miler -
Sierra Azul 20 Miler -
Sierra Azul Trail Marathon -
Sierra Azul 50K -

Additional Course Information available on our website:


All runners receive a medal for finishing the race.

Course Information

The courses are out and back along Woods Trail from the Start/Finish line. 

There are four aid stations and three water stops. Drop Bag Service is available to all runers. 

Hacienda Entrance to Quicksiliver • 21785 Almaden Rd, San Jose, CA 95120 San JoseCA  95120 Get Directions

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