Who would pass up at the chance to have hot chocolate and fondue post a race? The very thought enticed me into signing up for America’s sweetest run-the hot chocolate run. It was a 15k  which made it an ideal distance for a Sunday long run without necessarily having to do the grueling half marathon, which made me wonder why there weren’t more  15k races held. The event was held at Golden Gate park in San Francisco, one of the…