Louis Vuitton Cup racing

Luna Rossa Challenge heads close toward the bridge during the first race of the Louis Vuitton Cup Finals on Saturday, Aug. 17, 2013, in San Francisco.

Luna Rossa Challenge heads close toward the bridge during the first race of the Louis Vuitton Cup Finals on Saturday, Aug. 17, 2013, in San Francisco.

Luna Rossa Challenge heads close toward the bridge during the first race of the Louis Vuitton Cup Finals on Saturday, Aug. 17, 2013, in San Francisco.