Ridge to Bridges 2021 is a self-guided adventure for hikers, runners, mountain bikers, and equestrians. Choose from curated trail options in 4 locations with multiple distances in each location, ranging from moderate to challenging. Complete your outings on your own schedule and at your own pace so grab the map, or app, and head outdoors! The Ridge Trail supplies you with trail maps, tips, signature swag and virtual support. Complete one trip, or challenge yourself to complete them all before June 5th! Show off your team spirit at our Pep Rally on April 21 and a Finisher Party in June!

Go the extra mile and fundraise for the Ridge Trail, solo or with a team! Learn more about fundraising and prizes here.

Event runs from April 22 - June 5th. Early bird registration starts April 1. 

All Ridge to Bridges event proceeds and donations are used to help complete the trail and build a Bay Area legacy today. The Bay Area Ridge Trail Council is a registered 501(c)(3) nonprofit under EIN 94-3148503.

More Details
  • Registration Info: Click here for more information about the standard and VIP registration packages.
  • Fundraising / Prizes Info: Click here for more information about all the great prizes and badges you can earn.
  • How it works: Click here to learn how this virtual challenge works.
  • FAQ: Click here for answers to common questions.


New Ridge to Bridges trail options all around the Bay Area: Marin Headlands, Carquinez Strait, Mission Peak Area, and Peninsula Skyline.

Trip Options

Here is a list of the trail options we have curated for you to complete. All distances and elevation gain are round trip. More details including maps for each trip are provided when you register. 

Marin Headlands

  • Short: 11 miles, 1916’ gain
  • Medium: 15.5 miles, 3307’gain
  • Long Bike Optimized: 19 miles, 3501’ gain
  • Medium Bike Optimized: 14 miles, 2231’ gain
  • Short Horse Optimized: 8 miles, 1522’ gain
  • Trailheads:  Tennessee Valley, Gerbode Valley, Golden Gate Bridge

Carquinez Strait

Mission Peak Area

  • Short: 12 miles, 2710’ gain
  • Medium: 15 miles, 3215’ gain 
  • Long Bike Optimized: 21 miles, 4980’ gain 
  • Short Horse Optimized: 8.5 miles, 1496’ gain 
  • Trailheads: Ed Levin County Park

Peninsula Skyline

  • Short: 11.5, 1946’ gain
  • Medium: 15 miles, 2759’ gain
  • Long Bike Optimized: 24.5 miles, 4042’ gain
  • Short Horse Optimized: 9.5 miles, 1695’ gain
  • Trailheads: Skyline Ridge, Long Ridge, Saratoga Gap

Challenge Contact Info

If you have any questions about this Challenge, click the button below.


This year’s self-guided Ridge to Bridges event format is structured to keep you, and all participants, safe and healthy. Please follow the County COVID guidelines including: wearing a mask, maintaining a six-foot distance from those outside of your household when possible, and sanitizing hands when needed. For additional COVID safety information, please visit the separate County websites. 


If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.