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South Bay – Sunnyvale: 49 Miles Hosted by Awesome Ahead

March 12, 2023 @ 8:45 am - 5:00 pm

Dumbarton 50 Miler aka The Southbay Loop

48.9 Miles, Rolling hills and climbs!

Ride ID 2200

Meet: 8:45 AM

Ride-Out: 9:30 AM

Heavy Rain Cancels


Join AwesomeAhead! (Sunnyvale) Season 10 every Sunday to incrementally increase your distance and climbing while learning the tips, tricks, and rules of the road that will make your ALC experience both safe and unforgettable!

AWESOME AHEAD Season 10 Ride #8 – Dumbarton Half Century Across the Dumbarton bridge we’ll go in our half-century loop around the south bay. So while it’s flat, it’s still 50 miles. With two rest stops and lunch break – they’ll be plenty of opportunities to fuel up. Cross the bay in a dedicated bike lane and enjoy the unique perspective only being out in the middle of the San Francisco Bay can provide. What follows is a gorgeous perimeter “south bay loop” – through the Don Edwards Wildlife Refuge – into Milpitas and back to Sunnyvale via the Coyote Creek Trail and back behind Great America on the San Tomas Bike Trail. A wonderful mix of urban and one-of-a-kind outdoor riding – this ride is not one to miss. We skip the hills this week – to concentrate on endurance (drink! eat! stretch!) so this is a ride anyone should be able to enjoy from the speed demons (see ya!) and the folks that bring their cameras, catch some wildlife in the refuge and more pictures of smiling ALC riders in their gear with lattes and yummy food. Whatever your pleasure – this ride will deliver, come join us! Only 500 feet of climbing in 50 miles – and most of that is on the Dumbarton bridge itself! YOU CAN DO THIS!

All skill levels are welcome! If any ride is too much, we will work with you on making sure you have alternatives to the entire route. You will have a great bike ride. That’s a win! And remember, safety is critical. We will be following all bicycling laws and regulations as well as COVID regulations.!

The RidewithGPS link is:

Reach out with any of your questions or concerns. You really can do this.

If you are interested in attending, please RSVP so we have an idea of whose coming. Have questions? Contact Aron Casady at

REQUIRED ITEMS: bike, helmet, water bottle(s), tire changing tools, and a mask.

COVID-19 Policy: Vaccination is required to participate. All participants must have received one Johnson & Johnson dose or the second Pfizer/Moderna dose at least two weeks before the Training Ride. Masks are required when 6’ of social distancing cannot be maintained. This includes rest stops, indoors and in vehicles with more than one person.



If you experience problems with the RSVP button, please email the RSVP to

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March 12, 2023
8:45 am - 5:00 pm
Event Category:


Sunnyvale Starbucks
1291 S Mary Ave
Sunnyvale, CA 94087 United States
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