Calero Trail Run - Spring
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Calero Trail Run Spring
The event takes place on Saturday, June 5, 2027 at Calero County Park, 23205 McKean Rd, San Jose, CA. Participants are asked to enter Calero County Park into mapping apps and not to use the Calero Park Reservoir entrance.
Available race distances include:
- Kids Run
- 1 Mile
- 5K
- 10K
- 15K
- Half Marathon
- 25K
- Trail Marathon
- 50K
Courses start and finish at Calero County Park and use single track, dirt paths, and hilly terrain. The organizer lists course ascent figures for several distances, for example 5K: 252 ft, 10K: 1,187 ft, 15K: 1,751 ft, Half Marathon: 2,477 ft, and 25K: 2,726 ft. Bib colors are used to distinguish races; for example the half marathon uses red-numbered bibs on a white background while several shorter distances use black-numbered bibs on white.
Aid and water are provided at the Calero start/finish aid station and at Rancho Cañada del Oro aid station on the longer courses. Toilet facilities are available at the start/finish and aid station; Rancho Cañada del Oro has a single commode for use on a first-come first-served basis. Drop bags may be left at the start/finish for 50K runners.
Registration is paid and non-refundable; credits or transfers to future events are offered under the organizer's stated conditions. Active military and first responders receive a 15 percent discount. Parking is free at the Calero parking lot on McKean Road. Visit the organization's website for the most recent information.
