Calero Hills Trail Fest

Date:	Saturday, July 26, 2025
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:	5K, 10K, 10M, Half Marathon, 30K, Trail Marathon
Start Time:	8:00 AM All Distances

About the Race

Beginning at Calero County Park, this trail run has everything! Experience awesome single track, great hills, and dirt paths. All courses involve challenging ascents and descents through old oak tree groves with plenty of good heat training and panoramic vistas.

VOLUNTEER NOW

Volunteers are needed to help with aid stations. Everyone who helps out gets a free future race! If interested, please email volunteer@tctruns.com.

REGISTRATION

DISTANCE	RACE FEE	IN PERSON RACE DAY REGISTRATION
5K	$55	$65
10K	$65	$75
10 Mile	$75	$85
Half Marathon	$85	$95
30K	$95	$105
Trail Marathon	$105	$115

• 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 to XL.

REGISTER ONLINE

Online registration is available through the morning of 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 6:30 AM.

Schedule

• 6:30 AM — Registration opens/Bib Pick-Up
• 7:45 AM — Trail briefing
• 8:00 AM — Start of all races

Cutoff Times

8:00 am To 4:00 pm

Overall 8 Hours Time Limit 

12:00 pm Mile 14.3 Rancho Canada del Oro Aid Station 

2:00 pm Mile 20.8 Cottle Trail Aid Station 

4:00 pm Mile 26.7 Calero Park Finish Line 

Course Information & Maps

5K (2.5 Hour Overall Cutoff)

https://www.plotaroute.com/route/2517645

• Course Ascent: 495 feet.
• Race Bibs: Runners will have black-numbered bibs on a white background.
• Course Markings:
  • Follow PINK RIBBONS for a 1.6 mile Out and Back.
• Aid/Water Available:
  • Start / Finish Line

10K (3 Hour Overall Cutoff)

https://www.plotaroute.com/route/2642065

• Course Ascent: 800 feet.
• Race Bibs: Runners will have black-numbered bibs on a white background.
• Course Markings:
  • Follow ORANGE RIBBONS for a 3.1 mile Out and Back.
• Aid/Water Available:
  • Start / Finish Line

10 Miler (3.5 Hour Overall Cutoff)

https://www.plotaroute.com/route/2515449

• Course Ascent: 1,479 feet.
• Race Bibs: Runners will have black-numbered bibs on a white background.
• Course Markings:
  • Follow PINK RIBBONS for a 5.2 mile Out and Back.
• Aid/Water Available:
  • Mile 5.2 – Cottle Trail Aid Station

Half Marathon (4.5 Hour Overall Cutoff)

https://www.plotaroute.com/route/2515450

• Course Ascent: 1,942 feet
• Race Bibs: Runners will have red-numbered bibs on a white background.
• Course Markings:
  • Follow PINK RIBBONS for a 6.5 mile Out and Back to the 13 Mile Turnaround.
  • Runners will complete a .5mile out and back upon reaching the Start/Finish at the end to complete the race.
• Aid/Water Available:
  • Mile 5.2 – Cottle Trail Aid Station
  • Mile 8.5 – Cottle Trail Aid Station (Return)

30K (6 Hour Overall Cutoff)

https://www.plotaroute.com/route/2515453

• Course Ascent: 2,644 feet.
• Race Bibs: Runners will have red-numbered bibs on a white background.
• Course Markings:
  • Follow PINK RIBBONS for 9 miles to the Balds Peak / Catamount Water Stop for an Out and Back.
• Aid/Water Available:
  • Mile 5.2 – Cottle Trail Aid Station
  • Mile 9 – Balds Peak / Catamount Water Stop (11AM Cutoff)
  • Mile 13 – Cottle Trail Aid Station (Return)

Trail Marathon (8 Hour Overall Cutoff)

https://www.plotaroute.com/route/2515464

• Course Ascent: 4,356 feet.
• Race Bibs: Runners will have black-numbered bibs on a yellow background.
• Course Markings:
  • Follow Pink Ribbons through to the Rancho Rancho Canada del Oro Aid Station.
  • Follow Yellow Ribbons for a loop back to the Balds Peak / Catamount Aid Station.
  • Follow Pink Ribbons back to the finish line.
• Aid/Water Available:
  • Mile 5.2 – Cottle Trail Aid Station
  • Mile 9 – Balds Peak / Catamount Water Stop (11AM Cutoff)
  • Mile 14.3 – Rancho Canada Del Oro Aid Station (12PM Cutoff)
  • Mile 17 – Balds Peak / Catamount Water Stop (1PM Cutoff)
  • Mile 20.8 – Cottle Trail Aid Station (2PM Cutoff)
  • Mile 26 – Start / Finish (4PM Cutoff)

Directions and Parking

Calero Park is located off McKean Road. Traveling to the park, from central San Jose, take Almaden Expressway south. Turn right onto Harry Road, then left onto McKean Road. From 101, exit on Bailey Avenue and head west until you reach McKean Road. Turn left onto McKean Road. Calero Park entrance and parking lot are on the right side 0.5 mile.

Parking is Free, Carpooling is encouraged. Park at Calero Parking Lot on McKean Road.

Toilets

Multiple toilets are available at the Calero Park Aid Station and race Start/Finish line.

There is ONE commode available at the Rancho Canada del Oro Aid Station. This toilet is first-come first-served, so please be respectful of other runners and park visitors waiting for and needing to use the toilet at the Rancho Canada del Oro Aid Station.

Support Crews

Please drive the speed limit and be respectful of the people living on Casa Loma Road. Please check the course maps to follow your runner. Crews may follow their runners by driving to Rancho Cañada del Oro Aid Station located at Rancho Cañada del Oro’s parking lot.

Directions from Calero Park to Rancho Cañada del Oro Aid Station:

1. 1. Turn right onto McKean Rd.

1. 1. Drive approximately one mile on McKean Rd.

1. 1. Turn right onto Casa Loma Road.

1. 1. Drive approximately one mile on Casa Loma Road. Rancho Cañada del Oro parking lot will be on your left.

1. 1. The Aid Station is located next to the bathroom.

1. 1. Please only park in Rancho Cañada del Oro paved parking lot if there is plenty of parking available.

1. 1. A overflow parking lot is available 1/4 mile past the paved parking lot on the left. Please park there and walk back to the Aid Station.

To return to the Start/Finish location Calero Park:

1. 1. Drive on Casa Loma Road approximately one mile.

1. 1. Turn left onto McKean Rd.

1. 1. Drive approximately one mile on Mckean Rd.

1. 1. Turn left into Calero Park returning to the Start/Finish location.

Drop Bags
Drop bags may be left at the start/finish for the Trail Marathon. We will have two drop bag locations for runners: (a) The Start/Finish. (b) Aid Station located at the Rancho Cañada del Oro parking lot.

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.