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Troy’s MTN Bike Madness

Date:Saturday, June 15, 2024
Location:Calero County Park
23205 McKean Rd
San Jose, CA 95120

Click above for directions to the Start/Finish.

DO NOT GO to the Calero Park Reservoir Entrance.
Please input Calero County Park into your map.

An image of the race start address is available below.
Race Distances:18 Mile Mountain Bike Race
Start Time:8:00 AM

About the Race

Beginning at Calero County Park, this mountain bike race has everything! Experience awesome single track, great hills, and dirt paths. The 18 Mile race consists of an 18 Mile loop and promises to be an exhilirating course for riders near and far. Challenging, exposure, good heat training, and panoramic vistas.

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

If interested, please email


DISTANCE BY 4/1/23BY 4/30/24BY 5/31/24IN PERSON 6/15/24
18 MILE MTN BIKE$100$110$120$130
Prices do not include UltraSignup 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 S to XL.
Online registration is available through the morning of the race.
Please print the form, fill it out, and mail it to us with the enclosed registration fee.
Race day registration is available beginning at 6:30 AM.


  • 7:00 AM — Registration opens/Bib Pick-Up
  • 7:45 AM — Trail briefing
  • 8:00 AM — Start of Race

Cutoff Times

  • Mile 5.4 – 9AM
  • Mile 12.5 – 12PM
  • Mile 18 – 1PM (RACE OVER)

Course Information & Map

18 Mile Mountain Bike Map

  • Course Ascent: 2,228 feet.
  • Race Bibs: Bikers will have black-numbered bibs on a white background.
  • Course Markings:
    • Follow Pink ribbons for the entirety of the course.
  • Aid/Water Available:
    • Mile 5.4 – Cottle Aid Station
    • Mile 12.5 – Cottle Aid Station
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