Fresh finisher results from the Bad Bass half marathon in Castro Valley, California are now live. The 2026 edition saw 309 runners cross the finish line. If you were among them, find your splits and race-day photos in the full results here.
Fresh Results
- Bad Bass — Castro Valley, CA — 309 finishers (2026) — View Results
We'll be back tomorrow with more finisher data from across the country. Stay tuned.