California · 1 Mile · 5K · 10K
10K On The Bay
10K On The Bay is a 1 Mile, 5K and 10K event held in Hayward, California. It was last held on September 27, 2026 and is usually run in September; the next date hasn't been announced yet.
- Usually held
- September
- Location
- Hayward, CA
Race details
- Last held
- September 27, 2026
- Usually held in
- September
- Location
- Hayward, California
- Distances
- 1 Mile, 5K, 10K
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Registration status as last checked September 24, 2026: open
- Course profile
- Loop course; Trail surface
About the 10K On The Bay
Join us for a community 5K run.
Rankings and notes
- Notes
- 2026 logistics: start/finish at Hayward Shoreline Interpretive Center, 4901 Breakwater Ave, Hayward. First 300 registrants guaranteed shirts and medals.
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- Blog All guides Planning advice for finding, choosing and travelling to races.
10K On The Bay: common questions
- When is the 10K On The Bay?
- The next date hasn't been announced in the listing yet. The race is usually held in September. Check the organiser's website for the official date.
- Where is the 10K On The Bay held?
- In Hayward, California.
- What distances does the 10K On The Bay offer?
- 1 Mile, 5K and 10K.
- How do I register for the 10K On The Bay?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the 10K On The Bay?
- Registration status as last checked September 24, 2026: open.
- What is the course like at the 10K On The Bay?
- Loop course; Trail surface.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.