California · 50K · Trail Marathon · 25K
Calero Trail Run - Winter
Calero Trail Run - Winter is a 50K, Trail Marathon, 25K, half marathon and 15K event held in San Jose, California. Its next confirmed date is Saturday, December 5, 2026.
- Race day
- December 5, 2026
- Location
- San Jose, CA
Race details
- Date
- Saturday, December 5, 2026
- Location
- San Jose, California
- Distances
- 50K, Trail Marathon, 25K, Half Marathon, 15K, 10K, 5K, Mile, Kids Run
- Official website
- tctruns.com
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Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Calero Trail Run - Winter: common questions
- When is the Calero Trail Run - Winter?
- The next confirmed date is Saturday, December 5, 2026.
- Where is the Calero Trail Run - Winter held?
- In San Jose, California.
- What distances does the Calero Trail Run - Winter offer?
- 50K, Trail Marathon, 25K, Half Marathon, 15K, 10K, 5K and Mile.
- How do I register for the Calero Trail Run - Winter?
- Registration is handled by the organiser at tctruns.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.