Critics Are Raving About the New MCBC Dirt Fondo Series “The Bolinas Ridge Ramble was epic!”

With the Dirt Fondo Series underway, find out what people are saying about the rides and learn how to get in on the action!

“Just finished the Bolinas Ramble. What a great route. Old Vee and Bill’s Trail were both new to me and stunningly beautiful. Did it on my Salsa Cutthroat. Probably the first and last time I’ll ride north past Randall. Bill’s was a welcome relief afterwards. Thanks again for organizing this.” – Brian Mulder
“We did the Bolinas Ridge Ramble yesterday ✌ So muddy, so long and so fun! Thanks a lot for organizing!” – Team BikeRider (Mikael, Nick, and Cilla)
“Thank you for the inspiration and the beautiful course-planning. Here’s to a fantastic summer with MCBC!”  – Rainbow Underhill
“That was some ride today – we got the whole thing done. The Olema Trail section was a real positive surprise and Randal was not as bad as I feared.” – Stu Ryan
“Epic ride and beautiful day.” – Aaron Bickel

Dirt Fondo transitions to series format in 2021!

The MCBC Dirt Fondo expands into a series of three curated do-it-yourself rides in May, June and July culminating in an in-person finale on Saturday, August 14. Each ride highlights new and classic trails, challenging routes and fun ways to win prizes!

Our goal, a great day on the bike!


What you get

  • Collectible branded souvenirs with unique graphics for each route
  • Packet of snacks, hydration mix and swag from our sponsors
  • All event details, schedules, and routes delivered to your mobile device
  • Special offers from our sponsors
  • Photo contest and segment challenges with awards!
  • Expanded trail access and stewardship of the places you love!


The Ridership SLACK Community

Connect with other riders and gain route insight at The Ridership. CLICK HERE to join, then visit and bookmark #event-mcbc-dirt-fondo

Leaderboard on RidewithGPS

We are using RidewtihGPS for our route planning this year. The benefits include great maps and turn by turn instructions, custom points of interest and an event leaderboard, so you can see how you stack up with other riders. All this is delivered to your mobile device with various route options depending on your comfort level.

Photo Contest!

We are awarding prizes monthly to the best photos taken on each route! Please be sure to tag @marinbike and use #MCBCDirtFondo when posting to Instagram or Facebook to be in the running!

Dirt Fondo Tips & Tricks

Watch our conversation with Rapha on this year’s Dirt Fondo series on the MCBC YouTube Channel to get the inside scoop on how to prepare for these rides!

You’re Gonna Need Storage!

There is no support on a D.I.Y. ride, so you’re going to need to bring a lot of stuff! We’ve put together a short video that covers options for storage on the bike or on the body. Click here to check it out!


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