Ocean Beach => Ft. Mason to watch the Fleet Week Airshow

We'll walk from Ocean Beach (the end of the N-Judah line), to Ft. Mason to watch the Fleet Week Airshow.
We'll follow the water from Ocean Beach to: Lands End, Baker Beach, Batteries to Bluff Trail, GG Bridge, Crissy Field, to the hill between Ft. Mason and Aquatic Park.
I'll head to the Ferry Building after the airshow.
The airshow starts at 12:30. The Snowbirds are at 2:48. (No Blue Angels this year.)
We'll stop for lunch along the way.
It's about 8 miles to Aquatic Park, and another 3 to the Ferry Building.
Expect a walking pace ~2.5 mph.