Hosted on MSN10mon
Why Bay Area athletes are obsessed with this 12-mile 'Ninja Loop' founded by SF ultrarunnersWhile relatively new, the Ninja routes add to the storied history of trail running in the Bay Area, which includes paths on Mount Tamalpais and the Dipsea, America’s oldest trail race.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback