2018 - Lake Chabot Trail Challenge (Half Marathon & 5K)
2018 distances
Running
Half Marathon
On-line registration closes on 5/31/2018 at 11:59pm. Race day registration is available thereafter. Please note, the fee will increase by $15 on race day. There will be 3 aid stations on this course.
5K Run
On-line registration closes on 5/31/2018 at 11:59pm. Race day registration is available thereafter. Please note, the fee will increase by $10 on race day. There will be one aid station on this course.
Race date Weather
Conditions on June 3, 2018 — historical Open-Meteo data.
About Castro Valley
Lake Chabot Trail Challenge (Half Marathon & 5K) takes place in Castro Valley, California, United States. The local timezone is America/Los_Angeles.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
🏃 Plan Your Next Race in Castro Valley
Find upcoming events by distance:
- Castro Valley 5K Races Best Castro Valley routes for beginners and speed work.
- 10K Run Events in Castro Valley The most popular local distance in California.
- Castro Valley Half Marathons Top-rated 21.1K courses in the Castro Valley area.
- Marathons in Castro Valley Scenic 42.2K routes and Castro Valley Boston qualifiers.
- Castro Valley Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.