Bad Bass
Bad Bass is a running race on July 24, 2027 in Castro Valley, CA, with entry fees from $73 to $100.
- Date
- July 24, 2027 (296 days to go)
- Price
- $73–$100
- Sport
- Running
From the Organizer
Rising up from the depths of Lake Chabot, the Bad Bass (a strangely kilt-wearing, bagpipe-playing Scottish bass with teeth) shows itself once again on July 24th 2027! Why is he Scottish? What is he doing in Castro Valley? How can he play bagpipes with his fin? We have no idea how to answer those questions. Why is he so bad-to-the-fishbone? Maybe he just knows how awesome the trails of Lake Chabot really are!
Whatever the Bad Bass is doing here, we hope you'll join us at the beautiful Lake Chabot Marina in Castro Valley for the scenic Bad Bass 5K, 10K or Half Marathon!
Events
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
75°
Typical Low
58°
Chance of Rain
1%
Based on US Climate Normals data from Hayward Air Terminal, 4 mi from the venue.
About Castro Valley, CA
City Elevation
393 ft
Nearest Airport
OAK
San Francisco Bay Oakland International Airport · 9 mi
Time Zone
Pacific Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Bad Bass, put it on the calendar, and turn “someday” into a start date.
296
Days to train
- Race
- Bad Bass
- Date
- July 24, 2027
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About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
More Running races near Castro Valley, CA
Frequently Asked Questions
What is the Bad Bass?
When and where is the Bad Bass?
How do I register for the Bad Bass?
Bad Bass
Jul 24, 2027