Race Discovery
10K On The Bay
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10K On The Bay

Hayward, California, United States View on map
Sep 27, 2026 (America/Los_Angeles local time)
Running

About this race

Lace up for a race with a view!

Presented by the Hayward Area Recreation and Park District, the 10K on the Bay returns on Saturday, September 27– and you won’t want to miss it.

Whether you're a seasoned runner or just out for some family fun, there's a course for everyone:

  • One-Mile Family Fun Run
  • 5K (3.1 miles)
  • 10K (6.2 miles)

All races start and finish at the scenic Hayward Shoreline Interpretive Center, with breathtaking bay views and cool coastal air to keep you going strong.

Every participant receives a finisher medal and commemorative t-shirt* – plus the satisfaction of supporting the Hayward Shoreline Interpretive Center’s vital education and conservation programs. *Limited to the first 300 runners to register.

Sign up today and run for a great cause – and an even better view!

Follow us on social for updates on Facebook and Instagram.

Pick your distance

Running

1 Mile Run or Walk

Sep 27, 2026 1.6K 8:00 AM
$25.00
Closed

5K (3.1 Miles) Run or Walk

Sep 27, 2026 5K 8:00 AM
$40.00
Closed

10K (6.2 miles) Run

Sep 27, 2026 10K 8:00 AM
$50.00
Closed

Typical race-day weather

Based on 2 years of Open-Meteo archive data for this event's race dates in Hayward, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 14.4° / Maximum temperature (race-week average) 22.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 14.4° / Maximum feels like — heat index / wind chill (race-week average) 23.2°
Peak wind (km/h)
Strongest wind of the day (race-week average)
15.1
Precip (mm)
Precipitation over the day (race-week average)
0.2mm
Humidity
Mean relative humidity (race-week average)
74.8%
Sunrise
Sunrise at the start line on September 27, 2026 (PDT)
Sunset
Sunset at the start line on September 27, 2026 (PDT)
Daylight
Hours between sunrise and sunset on race day
11h 56m

The sun rises at 7:00 AM and sets at 6:57 PM local time (PDT) in Hayward on September 27, 2026 — 11h 56m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Other races near Hayward

Different organizers, within 40 miles, in the next three months

🏃 Plan Your Next Race in Hayward

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 6 Hayward events

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