5 mile, 10 mile or 15 mile trail run
Angel Island is a hilly, grass- and forest-covered island that provides spectacular views of Marin County, San Francisco, and the Golden Gate. Trails and roads circle the entire island and climb Mount Livermore. Bring the whole family and enjoy a post-run picnic at beautiful Ayala Cove.
(Distances are accurately measured using a Rolatape® surveyor's measuring wheel.) http://www.coastaltrailruns.com/ac_ayala_cove.htm