Originally Posted by r-dub
The best is coming down centennial fixed. Marin was built for cable cars, so it's straight and has flats, centennial has wicked pedal-striking turns. The descent will get your heart rate higher than the climb.
the hill is fast enough on a freewheel. i don't think i'd ever go done it fixed without a brake. it's a little too hairy for me especially the right turn down near the garden. i always got stuck behind slow cars as well. have you tried pinehurst fixed?