10K On The Bay
- Date
- September 27, 2026
- Distance
- 1 Mile Run or Walk · 5K (3.1 Miles) Run or Walk · 10K (6.2 miles) Run
From the Organizer
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!
Distances & Pricing
Race Location
About This Sport
From Endurance Grid's Founder
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.
The 10K is the distance where running stops feeling like a starting point and starts feeling like a sport. Long enough to require a real training block. Short enough that race day is fully manageable for a first-timer who's put in the work.
Race day energy at a 10K is community at its best — strangers cheering you by name, people moving toward the same goal, an atmosphere that solo training can't replicate. It's fast enough that you'll spend the whole race pushing rather than managing your effort.
This is also the distance that builds the base for everything else. Most athletes who go on to run half marathons, do triathlons, or compete in HYROX started here. What you need: running shoes fitted to your stride, a training plan, and the race on your calendar. The registration is what makes the deadline real.
How long to train: 4–8 weeks for most fitness levels.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More running races in CA
China Camp Trail Run
The Big Run Presented by Brooks
LBC Summer Breeze – 5K, 10K, 10M, and Half Marathon
Half Marathon · 10K · 5K
Howl at the Moon – 5K, 10K, 10M, and Half Marathon
Half Marathon · 10K · 5K
Frequently Asked Questions (FAQs)
- What is the 10K On The Bay?
- 10K On The Bay is a running event held in Hayward, CA. Learn more about the different endurance sports here.
- When and where is the 10K On The Bay?
- Sunday, September 27, 2026 in Hayward, CA at 4901 Breakwater Avenue, Hayward, CA. Check the official event page for exact start times and wave schedules.
- How do I register for the 10K On The Bay?
- Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.
10K On The Bay
Sep 27, 2026