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Mike O'Brien

San Francisco, CA

Member Since
Oct 5, 2014
Last Visit: Aug 9, 2015
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Trail Favorites List View All 4

16.0 mi 25.8 km Keystone Gulch to Soda Creek Loop
Intermediate Intermediate
Keystone, CO
Intermediate Intermediate
Keystone, CO 177 
10.8 mi 17.4 km Camp Tamarancho Loop
Difficult Difficult
Fairfax, CA
Difficult Difficult
Fairfax, CA 213 
20.7 mi 33.3 km Tennessee Valley/Muir Beach Singletrack Highlights
Intermediate Intermediate
Tamalpais-Homestead Valley, CA
Intermediate Intermediate
Tamalpais-Homestead Valley, CA 61 
8.7 mi 14.0 km China Camp State Park Loop
Intermediate Intermediate
Santa Venetia, CA
Intermediate Intermediate
Santa Venetia, CA 169 

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