California · 8K · Half Marathon · 30K
Lake Chabot Trail Run
Lake Chabot Trail Run is a 8K, half marathon, 30K, marathon and 50K event held in Castro Valley, California. Its next confirmed date is Saturday, November 7, 2026. About 591 runners take part across all distances.
- Race day
- November 7, 2026
- Location
- Castro Valley, CA
- Field size
- ~591 runners
Race details
- Date
- Saturday, November 7, 2026
- Location
- Castro Valley, California
- Distances
- 8K, Half Marathon, 30K, Marathon, 50K
- Field size
- About 591 runners
- Course
- 380 ft gain
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $75.20 (from runsignup.com, checked September 28, 2026)
- Start time
- 8:30 AM PST
- Course profile — 8K
- Loop course; Mostly road, some trail; 380 ft gain, 380 ft loss (official course data)
- Course profile — Half Marathon
- Loop course; Mostly trail, some road; 1450 ft gain, 1450 ft loss (official course data)
- Course profile — 30K
- Loop course; Mostly trail, some road; 1830 ft gain, 1830 ft loss (official course data)
- Course profile — Marathon
- Loop course; Mostly trail, some road; 2900 ft gain, 2900 ft loss (official course data)
- Course profile — 50K
- Loop course; Mostly trail, some road; 3280 ft gain, 3280 ft loss (official course data)
- Typical race-day weather
- about 50°F at the start, 93% humidity, 2 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 28, 2026)
About the Lake Chabot Trail Run
The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners! (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)
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Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 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.
Lake Chabot Trail Run: common questions
- When is the Lake Chabot Trail Run?
- The next confirmed date is Saturday, November 7, 2026.
- Where is the Lake Chabot Trail Run held?
- In Castro Valley, California.
- What distances does the Lake Chabot Trail Run offer?
- 8K, Half Marathon, 30K, Marathon and 50K.
- How many people run the Lake Chabot Trail Run?
- About 591 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 Lake Chabot Trail Run?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Lake Chabot Trail Run?
- Yes — registration is open. Listed fee for the longest distance, $75.20 (from runsignup.com, checked September 28, 2026).
- What time does the Lake Chabot Trail Run start?
- 8:30 AM PST.
- What is race-day weather usually like at the Lake Chabot Trail Run?
- about 50°F at the start, 93% humidity, 2 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 28, 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.