The Biofreeze San Francisco Marathon 52.4 Mile Ultra PT. II: Two Sides Of a Great City

Part II of Scott Dunlap's review of The Biofreeze San Francisco Marathon’s Ultra. Ready to tackle the ultra on your own, or as a relay team with your running buddies? Sign up today! — San Francisco Marathon Ultra - The Second Lap The SF Marathon, now in its 40th running, is a BIG race these days. I've run it a few ... More