*** Online registration is now closed. Race day registration will open at 7:00 am. ***
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 27th 2019! 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!
Registration fees
5K Closed
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$48.00Aug 14 – Jun 2
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$53.00Jun 3 – Jun 30
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$58.00Jul 1 – Jul 26
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10K Closed
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$57.00Aug 14 – Jun 2
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$62.00Jun 3 – Jun 30
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$67.00Jul 1 – Jul 26
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Half Marathon Closed
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$73.00Aug 14 – Jun 2
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$78.00Jun 3 – Jun 30
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$83.00Jul 1 – Jul 26
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Remote Runner Closed
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$40.00Aug 14 – Jun 30
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$45.00Jul 1 – Jul 26
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Event schedule
- Sat, July 27, 2019 7:30 AM - Hiker start (for those walking the half marathon, planning to take longer than 3.5-4 hours)
- Sat, July 27, 2019 8:30 AM - Half Marathon
- Sat, July 27, 2019 8:55 AM - 10K
- Sat, July 27, 2019 9:10 AM - 5K
Contact information
- Event contact
- Race Director
- Website
- Visit website