2025 Calero Hills Trail Fest 10km: Training plans, distance, date, location, and more

Find out all you need to know about the Calero Hills Trail Fest 10km – including how to choose the best training plan to get race-ready and set a new personal best.

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About the event

Taking place on July 27, 2025, the Calero Hills Trail Fest 10km invites runners to experience the charm of Calero County Park in a shorter, yet invigorating, race. With an elevation gain of 800 feet, this course is designed to offer a satisfying challenge without overwhelming those new to trail running. Organized by Troy's California Trail Runs, the 10km race is ideal for runners of all levels who want to explore trail running in a supportive and beautiful setting. The race’s varied terrain provides a taste of what trail running is all about, making it a great introduction to the sport.

Date: 

Sat
Jul 26
2025

Location: 

San Jose, United States

Distance

10km / 6.2mi

Elevation profile: 

Hilly

Website: 

Link

Elevation gain: 

244m /

Number of participants: 

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Start your plan

How to train for Calero Hills Trail Fest 10km: Calero Hills Trail Fest 10km training plans for every runner

To train for Calero Hills Trail Fest 10km, you’ll need a personalized training plan and to build up your weekly mileage progressively.

Runna offers running training plans for every runner and goal out there.

With Runna, your running coaching app, you get a personalized 10km training plan that:

  • Structures your week and sets out all sessions for you
  • Automatically adjusts your mileage and types of runs to help you perform at your best
  • Incorporates deloads and strength training
  • Helps you manage your recovery and nutrition

Having a plan will also help with accountability, meaning that you can focus purely on improving your running game.

Check out our personalized 10km training plans to find the one that best suits your goals.

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Calero Hills Trail Fest 10km FAQ: All you need to know about the Calero Hills Trail Fest 10km

What is the Calero Hills Trail Fest 10km?

Calero Hills Trail Fest 10km distance: How long is the Calero Hills Trail Fest 10km?

Where does the Calero Hills Trail Fest 10km take place?

When is Calero Hills Trail Fest 10km?

When is the next Calero Hills Trail Fest 10km?

What’s the elevation gain of the Calero Hills Trail Fest 10km?

How can I prepare for the 2025 Calero Hills Trail Fest 10km?

How do I choose the right training plan for the 2025 Calero Hills Trail Fest 10km?

How can I register for the Calero Hills Trail Fest 10km?

If you are an official race organiser with any questions about this page, please get in touch: races@runna.com

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