Bad Bass - Castro Valley
Always double-check with the organizer's website! This page may contain affiliate links.
Bad Bass - Castro Valley
Bad Bass is scheduled for July 18, 2026 at Lake Chabot Marina in Castro Valley, California, in the San Francisco Bay Area. The event features three separate courses that run around and near Lake Chabot.
The available distances are:
- Half Marathon: trail course around Lake Chabot
- 10K: trail course
- 5K: paved course
Race photos are provided free by volunteer photographers. Official results and finishing times are published after the event. Sponsors for the event include GU Energy and CallJazz. Volunteer roles are part of the event setup and support.
The information provided emphasizes the courses and the event setting at the marina and surrounding parkland. Course details, frequently asked questions, race photos, and results are made available for participants and spectators. Visit the organization's website for the most recent information.
