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Sierra Azul Trail Challenge

Date:Saturday, April 19, 2025
Location:Almaden Quicksilver County Park
Hacienda Entrance

21785 Almaden Rd
San Jose, CA 95120
Race Distances:5K, 7 Mile, Half Marathon, 20 Mile, Trail Marathon, 50K
Start Time:8:00 AM (All Distances). 10 hour time limit.

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!

Registration

DISTANCE RACE FEEIN PERSON
RACE DAY REGISTRATION
5K$55$65
7 Mile$70$80
Half Marathon$85$95
20 Mile$90$100
Trail Marathon$100$110
50K$110$120
Prices do not include UltraSignup.com processing fees. Races are non-refundable. We provide credits for future races if you advise of cancellation before race day.
  • Active military & first responders receive a 15% discount. Please email team@tctruns.com 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 team@tctruns.com 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 S-XL.
REGISTER
ONLINE
Online registration is available through the evening prior to the race.
REGISTER
BY MAIL
Please print the form, fill it out, and mail it to us with the enclosed registration fee.
REGISTER
AT RACE
Race day registration is available beginning at 7:00 AM.
VOLUNTEER
NOW
Volunteers are needed to help with aid stations.
Everyone who helps out gets a free future race!

Schedule

6:30 AM – Parking Lots Open
7:00 AM – Runner Check-In, Bib Pickup & Race Day Registration Opens
7:45 AM – Trail Briefing
8:00 AM – Start Time – All Distances.
10 Hour Time Limit. Race officially over at 6:00 PM

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 Woods Aid Station.

All courses are an out and back.

Courses will be marked with solid color Pink ribbons tied to clothespins, signs & gypsum.

5K

  • Course Ascent: 974 ft.
  • Race Bibs: Runners will have black-numbered bibs on a white background.
  • Ribbons/Aid Stations:
    • Follow pink ribbons up to English Camp. Turn Around at 5k turn around signs accompanied by green ribbons to return to FINISH 5K.
  • Aid/water available at start and again at finish line (Toilets also available!).

7 Mile

  • Course Ascent: 1,663 ft.
  • Race Bibs: Runners will have black-numbered bibs on a white background.
  • Course Ribbons:
    • Follow pink ribbons up to Woods Aid Station (Mile 3.5, Toilet Available). Turn Around at 7 mile turn around signs at Woods Aid to retrace your steps back to FINISH 7 MILE.
  • Aid/Water Available:
    • Hacienda Start (Mile 0.0, 8:00am, Toilet Available)
    • Woods Aid Station (Mile 3.5, Toilet Available),
    • Hacienda Finish (Mile 7.0, Toilet Available)

Half Marathon (12:30pm overall cutoff, 4.5 Hour Time Limit)

  • Course Ascent: 3,582 ft.
  • Race Bibs: Runners will have red-numbered bibs on a white background.
  • Course Ribbons:
    • Follow pink ribbons out to the Woods Aid Station, then continue onto Woods Trail following pink ribbons. Turn around will be at the water stop on Woods Trail just after the junction with Barlow Road. There will be Half Marathon Turn Around signs accompanied by blue ribbons at the turn around point at the water stop. Retrace your outbound path back to HALF MARATHON FINISH.
  • Aid/Water Available
    • Hacienda Start (Mile 0.0, 8:00am, Toilet Available)
    • Woods Aid Station (Mile 3.5, Toilet Available)
    • Woods Trail/Barlow Rd Water Stop (Mile 6.6)
    • Woods Aid Station (Mile 9.7, Toilet Available)
    • Hacienda Finish (Mile 13.2, 12:30pm cutoff, Toilet Available)

20 Mile (6:00pm cutoff, 10 Hour Time Limit)

  • Course Ascent: 5,547 ft.
  • Race Bibs: Runners will have red-numbered bibs on a white background.
  • Course Ribbons:
    • Follow pink ribbons out to the Woods Aid then continue onto Woods Trail following pink ribbons. Turn around will be shortly after Mt. El Sombroso, on Woods Trail at intersection with Kennedy and Limekiln Trails. There will be an Aid Station with staff directing at the 20 Mile turn around point. Retrace your outbound path back to 20 MILE FINISH.
  • Aid/Water Available
    • Hacienda Start (Mile 0.0, 8:00am, Toilet Available)
    • Woods Aid Station (Mile 3.5, Toilet Available)
    • Woods Trail/Barlow Rd Water Stop (Mile 6.6)
    • Kennedy Aid Station (Mile 10.0, 3:30pm cutoff)
    • Woods Trail/Barlow Rd Water Stop (Mile 13.1)
    • Woods Aid Station (Mile 16.5, 5:00pm cutoff, Toilet Available)
    • Hacienda Start/Finish (Mile 20.0, 6:00pm cutoff, Toilet Available)
  • Drop bag service available:
    • Hacienda Start/Finish (Mile 0.0, Mile 20.0)
    • Kennedy Aid Station (Mile 10.0)

Trail Marathon (6:00pm cutoff, 10 Hour Time Limit)

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

  • Course Ascent: 7,332 ft.
  • Race Bibs: Runners will have black-numbered bibs on a yellow background.
  • Course Ribbons:
    • Follow pink ribbons out to the Woods Aid then continue onto Woods Trail following pink ribbons. Continue past Mt. El Sombroso on Woods Trail and continue following pink ribbbons onto the Limekiln Trail. There will be an aid station at the intersection of Limekiln/Priest Rock Trails and this will be the Trail Marathon turn around point. Retrace your outbound path back to TRAIL MARATHON FINISH.
  • Aid/Water Available:
    • Hacienda Start (Mile 0.0, 8:00am, Toilet Available)
    • Woods Aid Station (Mile 3.5, Toilet Available)
    • Woods Trail/Barlow Rd Water Stop (Mile 6.6)
    • Kennedy Aid Station (Mile 10.0, 11:45am cutoff)
    • Priest Rock Aid Station (Mile 13.0, 12:30pm cutoff)
    • Kennedy Aid Station (Mile 16.0, 3:30pm cutoff)
    • Woods Trail/Barlow Rd Water Stop (Mile 19.2)
    • Woods Aid Station (Mile 22.6, 5:00pm cutoff, Toilet Available)
    • Hacienda Start/Finish (Mile 26.1, 6:00pm cutoff, Toilet Available)
  • Drop bag service available:
    • Hacienda Start/Finish (Mile 0.0, Mile 26.1)
    • Kennedy Aid Station (Mile 10.0, Mile 16.0)
    • Priest Rock Aid Station (Mile 13.0)

50K (6:00pm cut off, 10 Hour Time Limit)

Please note cutoffs will be strictly enforced for the 50K.

  • Course Ascent: 8,802 ft.
  • Race Bibs: Runners will have black-numbered bibs on a yellow background.
  • Course Ribbons:
    • Follow pink ribbons out to the Woods Aid then continue onto Woods Trail following pink ribbons. Continue past Mt. El Sombroso on Woods Trail and continue following pink ribbbons onto the Limekiln Trail. There will be an aid station at the intersection of Limekiln/Priest Rock Trails, where you will turn left, continuing to follow pink ribbons on Priest Rock Trail to Alma Bridge Rd. 50K turn around will be on Priest Rock Trail at Alma Bridge Rd. Retrace your outbound path back to TRAIL 50K FINISH.
  • Aid/Water Available:
    • Hacienda Start (Mile 0.0, 8:00am, Toilet Available)
    • Woods Aid Station (Mile 3.5, Toilet Available)
    • Woods Trail/Barlow Rd Water Stop (Mile 6.6)
    • Kennedy Aid Station (Mile 10.0, 11:45am cutoff)
    • Priest Rock Aid Station (Mile 13.0, 12:30pm cutoff)
    • Priest Rock Aid Station (Mile 17.8, 2:30pm cutoff)
    • Kennedy Aid Station (Mile 20.8, 3:30pm cutoff)
    • Woods Trail/Barlow Rd Water Stop (Mile 24.0)
    • Woods Aid Station (Mile 27.4, 5:00pm cutoff, Toilet Available)
    • Hacienda Start/Finish (Mile 30.9, 6:00pm cutoff, Toilet Available)
  • Drop bag service available:
    • Hacienda Start/Finish (Mile 0.0, Mile 30.9)
    • Kennedy Aid Station (Mile 10.0, Mile 20.8)
    • Priest Rock Aid Station (Mile 13.0, Mile 17.8)

Drop Bag Service – 20 Mile, Trail Marathon and 50K only

  • Drop Bags will have a designated area for runners to access at:
    • Hacienda Start/Finish Line,
    • Kennedy Aid Station at Kennedy/Woods/Limekiln trails intersection
    • Priest Rock Aid Station at Priest Rock/Limekiln trails intersection
  • Staff will collect runner drop bags before the race start at the Hacienda Start/Finish and transport to designated aid stations. These will be available for runners during their race, and staff will return them to the Hacienda Finish Line after the race.

Parking and Carpooling

  • Free Parking is available at the Hacienda entrance parking lot, carpooling encouraged.


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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