Calero Trail Run - Winter
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Calero Trail Run (Winter) - Calero County Park
This trail running event takes place at Calero County Park, 23205 McKean Rd, San Jose, CA 95120. Multiple distances are offered to accommodate a range of course lengths.
- Kids Run
- 1 Mile
- 5K
- 10K
- 15K
- Half Marathon
- 25K
- Trail Marathon
- 50K
The courses use single track, dirt paths, and hilly terrain. Vegetation includes oak trees and some exposed sections; the organizer notes conditions useful for heat adaptation and panoramic views on longer routes. Several routes use out-and-back sections and marked turnarounds with colored ribbons for navigation.
Aid and support are provided at the Calero Start/Finish aid station and at the Rancho Cañada del Oro aid station (noted at Mile 3.8 on several courses); additional water points are listed at junctions on longer courses. Toilets are available at the Calero aid station and start/finish; one restroom is located at the Rancho Cañada del Oro aid station and is first-come first-served. Drop bags may be left for the 50K at the start/finish and at the Rancho Cañada del Oro aid station.
Parking is free at the Calero parking lot on McKean Road and carpooling is encouraged. Online registration is available through the morning of the event. Entry fees are non-refundable but may be transferred to a future race under the organizer's transfer policy. Visit the organization's website for the most recent information.
