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Calero Trail Run - Winter

Name: Calero Trail Run - Winter
Start: 2025-12-06
End: 2025-12-06
Location: San Jose

San Jose, United States • 6 Dec 2025

Event overview

The Calero Trail Run - Winter takes place on Saturday, December 6, 2025, in San Jose, California. The event offers multiple trail distances and a kids run.

50K
Trail Marathon
25K
Half Marathon
15K
10K
5K
Mile
Kids Run

Course and logistics

The event begins at Calero County Park, 23205 McKean Road, San Jose, CA 95120. The course uses single track and dirt paths and includes hills, oak trees, exposed sections, and panoramic vistas. Courses are marked with ribbons, signs, and gypsum. Aid stations are provided and all finishers receive a commemorative medal.

Bib pick-up and registration occur on race day, and race day registration is available. Participants are advised to go to the Calero Park entrance on McKean Road and not to the reservoir boat launch ramps. Detailed course descriptions and maps are provided for each distance. Visit the organization's website for the most recent information.

United States California San Jose

Race information

Website Registration

50 km

50k

42 km

Trail Marathon

25 km

25k

21 km

Half Marathon

15 km

15k

10 km

10k

5 km

Kids Run

Mile

Visit the organization's website for the most recent information.

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...

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