You can get your first taste of America's Cup sailing today with a series of qualifying races for the America's Cup World Series, one of several events leading up to the finals in 2013. From the Mercury News today:
Some of the world's elite sailing teams get their first taste of competition on San Francisco Bay on Wednesday afternoon and their skippers say they will be facing challenges found nowhere else...
Eleven 45-foot catamarans will compete this week, but only six will participate in Wednesday's qualifying races for the match-race tournament that is part of this event. The other five -- including those helmed by Spithill and Coutts -- received an automatic berth based on their performances during the 2011-12 [America's Cup World Series] season. Full article
ABC 7 has a live overhead camera going, and you can follow the races virtually on the America's Cup site.
And click on this thing. It's pretty cool--you can track exactly where each boat is. (You'll have to download the special viewer to do it, then click on the "live" tab.)
And lots of tweets at #americascup.