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10K On The Bay
Open now- Date
- September 27, 2026
- Sport
- Road running
- Location
- Hayward, CA
- Distances
- 1.6K · 5K · 10K
- Entry
- $25 – $50
- Registration opens
- April 17, 2026
- Registration closes
- September 27, 2026
Listing from runsignup. Always confirm details with the organiser.