California · 35K · 1/2 Marathon · 10K
Oakland Hills Trail Run
Oakland Hills Trail Run is a 35K, 1/2 Marathon and 10K event held in Oakland, California. It was last held on October 24, 2026 and is usually run in October; the next date hasn't been announced yet. About 300 runners take part across all distances.
- Usually held
- October
- Location
- Oakland, CA
- Field size
- ~300 runners
Race details
- Last held
- October 24, 2026
- Usually held in
- October
- Location
- Oakland, California
- Distances
- 35K, 1/2 Marathon, 10K
- Field size
- About 300 runners
- Course
- 35K: ~4,550 ft gain; Half Marathon: ~2,900 ft gain; 10K: ~1,250 ft gain (official)
- Registration
- ultrasignup.com
- Official website
- insidetrail.com
Registration, course & weather
- Registration status
- Registration status as last checked September 28, 2026: open
- Start time
- 8:30 AM PDT
- Course profile — 35K
- Point-to-point course; Mostly trail, some road; 4550 ft gain (official course data)
- Course profile — Half Marathon
- Point-to-point course; Mostly trail, some road; 2900 ft gain (official course data)
- Course profile — 10K
- Point-to-point course; Mostly trail, some road; 1250 ft gain (official course data)
- Typical race-day weather
- about 58°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 28, 2026)
About the Oakland Hills Trail Run
The Oakland Hills Trail Run takes runners through the redwood forest and fire roads of Redwood Regional Park and the adjoining EBMUD watershed lands above Oakland, with 10K, Half Marathon, and 35K options. Organized by Inside Trail Racing, the course is steep and technical with significant climbing at every distance.
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Oakland Hills Trail Run: common questions
- When is the Oakland Hills Trail Run?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Oakland Hills Trail Run held?
- In Oakland, California.
- What distances does the Oakland Hills Trail Run offer?
- 35K, 1/2 Marathon and 10K.
- How many people run the Oakland Hills Trail Run?
- About 300 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 Oakland Hills Trail Run?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Oakland Hills Trail Run?
- Registration status as last checked September 28, 2026: open.
- What time does the Oakland Hills Trail Run start?
- 8:30 AM PDT.
- What is race-day weather usually like at the Oakland Hills Trail Run?
- about 58°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 28, 2026).
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