neck and neck - hydrofoil catamarans - america's cup 2013 race (san francisco), ac72, america's cup, bay, boats, emirates team new zealand, fast, foiling, hydrofoil catamarans, hydrofoiling, ocean, oracle team usa, race, racing, sailboat, sailing hydrofoils, sea, ships, speed, two, water neck and neck - hydrofoil catamarans - america's cup 2013 race (san francisco), ac72, america's cup, bay, boats, emirates team new zealand, fast, foiling, hydrofoil catamarans, hydrofoiling, ocean, oracle team usa, race, racing, sailboat, sailing hydrofoils, sea, ships, speed, two, water

America's Cup 2013 two finalist hydrofoil catamarans racing on the San Francisco Bay.­

For more info about hydrofoil sailboats, go to en.­wikipedia.­org/­wiki/­Sailing_­hydrofoil.

For more info about America's Cup 72 class boats (AC72), go to en.­wikipedia.­org/­wiki/­AC72.

For more info about the America's Cup race, go to en.­wikipedia.­org/­wiki/­2013_­America%27s_­Cup and en.­wikipedia.­org/­wiki/­America%27s_­Cup.