This time will be a quick 24 hour trip for me but I've been to the Bay Area several times before and totally agree with you about the sights. One of the most memorable sporting days I've ever had as a participant rather than as a spectator was 13 year ago running the Miwok 100k ultramarathon. Took me a bit over 13 hours in the middle of the pack. Stinson Beach start at 5am, Muir Beach, sunrise view looking down at the Golden Gate Bridge, Marin Headlands, a big cat plonking itself in front of the table at the final aid station causing us to wisely bypass it (locals knew whether it was a cougar or bobcat or mountain lion but I forget which), etc. Glorious.
https://miwok100k.com/course/