"AWESOME for running and/or a day out with the family"
One of the best places in SF for a flat, fast run, a leisurely stroll, a picnic, or sunbathing on the beach! (Take that, Ocean Beach!) The beauty surrounding you is amazing: on one side, you've got Crissy Field and views of the Presidio; on the other, the beach and the bay. On warm days, the entire area is *packed* with runners and walkers, cyclists, kitesurfers, windsurfers, families, and dogs. (One time, I even saw some poor, misguided woman walking her *cat* here. Wow. That image is seared in my mind.) As for facilities, there are places to picnic--although I think you'll need reservations if you want an actual picnic table and grill--relatively clean bathrooms, and a water fountain; the last two items are particularly appreciated right before or right after a long run... You can grab food at the Warming Hut or at the Crissy Field Center. One of the incredible public spaces that truly makes SF the awesome city that it is.