[IZ] 1/2 Marin Headlands Bike, 8/2

Dist: 18.3 miles
Time: 1:32
Avg: 11.9 MPH

From the office, Embarcadero, North Point, Fort Mason, Marina, Crissy Field, across the bridge, 1/2 way up the headlands, down the other side, through the tunnel, bridge, Crissy Field to home.

Yay, I found my cyclocomputer!