California · 10K · 10K - Youth · Half Marathon
Hark the Herald Half Marathon & 10K
Hark the Herald Half Marathon & 10K is a 10K, 10K - Youth, half marathon and Half Marathon - Youth event held in Tiburon, California. Its next confirmed date is Saturday, December 12, 2026. About 400 runners take part across all distances.
- Race day
- December 12, 2026
- Location
- Tiburon, CA
- Field size
- ~400 runners
Race details
- Date
- Saturday, December 12, 2026
- Location
- Tiburon, California
- Distances
- 10K, 10K - Youth, Half Marathon, Half Marathon - Youth
- Field size
- About 400 runners
- Registration
- raceroster.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $108.98 (from raceroster.com, checked September 26, 2026)
- Start time
- 8:00 AM PST
- Course profile — Half Marathon
- Loop course; Trail surface; Not USATF certified
- Course profile — 10K
- Loop course; Trail surface; Not USATF certified
- Typical race-day weather
- about 40°F at the start, 96% humidity, 9 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026)
About the Hark the Herald Half Marathon & 10K
The Hark the Herald Half Marathon & 10K is a holiday trail race circumnavigating Angel Island in San Francisco Bay, reached by chartered ferry from Tiburon. Runners loop the hilly island trail once (10K) or twice (Half Marathon), with panoramic views of the Golden Gate Bridge, Alcatraz, and San Francisco. The field is capped at 400 participants.
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Guides from the RaceRove blog
- 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.
- 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.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Hark the Herald Half Marathon & 10K: common questions
- When is the Hark the Herald Half Marathon & 10K?
- The next confirmed date is Saturday, December 12, 2026.
- Where is the Hark the Herald Half Marathon & 10K held?
- In Tiburon, California.
- What distances does the Hark the Herald Half Marathon & 10K offer?
- 10K, 10K - Youth, Half Marathon and Half Marathon - Youth.
- How many people run the Hark the Herald Half Marathon & 10K?
- About 400 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Hark the Herald Half Marathon & 10K?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Hark the Herald Half Marathon & 10K?
- Yes — registration is open. Listed fee for the longest distance, $108.98 (from raceroster.com, checked September 26, 2026).
- What time does the Hark the Herald Half Marathon & 10K start?
- 8:00 AM PST.
- What is race-day weather usually like at the Hark the Herald Half Marathon & 10K?
- about 40°F at the start, 96% humidity, 9 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026).
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.