RunRace USA › California › Castro Valley › Bad Bass
Bad Bass
Castro Valley, California · Saturday, July 24, 2027 · Half Marathon, 6.4 Miles, 3.4 Miles
Official race page & registration ↗Bad Bass takes place on Saturday, July 24, 2027 in Castro Valley, California. The race offers 3 distances: Half Marathon, 6.4 Miles, 3.4 Miles.
It is one of 29 races on the California calendar that July. At $55, entry sits above the $30 median for a California half marathon.
- Date
- Saturday, July 24, 2027
- Location
- Castro Valley, California
- Distances
- Half Marathon, 6.4 Miles, 3.4 Miles
- Entry fee
- from $55
- Registration
- listed as closed
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Castro Valley: check in Jul 23, out Jul 25.
Common questions
When is Bad Bass?
Bad Bass is scheduled for Saturday, July 24, 2027.
Where is Bad Bass held?
Bad Bass is held in Castro Valley, California.
What distances does Bad Bass offer?
The listed distances are Half Marathon, 6.4 Miles, 3.4 Miles.
How much does Bad Bass cost?
Entry is listed from $55. Check the official race page for the current price, which usually rises closer to race day.
How do I register for Bad Bass?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Jul 24Harding HustleModjeska Canyon, CA
- Jul 24LBC - Good Vibes Run 5K, 10K, & Half Marathon by Califlow RunsLong Beach, CA
- Jul 24The TRON Night Run: Neon Grid 5K & 10KCanoga Park, CA
- Jul 25BOO-gie Glow Run 5K 10K Half Marathon - SummerWeen Series by Califlow RunsLong Beach, CA
- Jul 23Lost Sierra Endurance RaceDownieville, CA
See every race on the California calendar, all Castro Valley races, California Half Marathons, California 5Ks, or use the Race Finder for maps and filters.