Saturday, Jun 1, 2024

Calero Trail Run - Spring

23205 McKean Rd

San Jose, CA 50K, Marathon, 25K, 1/2 Marathon, 15K, 10K, 5K, Mile, Kids Run

Registration closes: Sat, Jun 1 @ 8:00AM PT

About the Race

Beginning at Calero County Park, this trail run has everything! Experience awesome single track, great hills, and dirt paths. The 50K is a challenging, fantastic trainer for Western States that includes oak trees, exposure, good heat training, and panoramic vistas.


Calero County Park
23205 McKean Road
San Jose, CA 95120

6:30 AM – Registration & Bib Pick Up Opens
7:30 AM – Start Time – Kids Run
7:45 AM – Trail Briefing
8:00 AM – Start Time – All Other Distances
8 Hour Time Limit. Race officially over at 4:00 PM

Course Maps:
5k -
10k -
15k -
Half Marathon -
25k -
Trail Marathon -
50k -

Bib Pick-Up/Registration will take place on race day. Race day registration available.

Detailed course descriptions and maps are available at the following link:

Additional Information:
Courses will be marked with ribbons, signs & gypsum.
Please dress appropriately for an endurance run.
All finishers will receive a commemorative medal.
Aid stations will be available.
Please do not hesitate to e-mail us at if you have any questions.

Event's current local time: 10:10 AM PT


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