The Louis Vuitton Cup challenger series begins!

Emirates Team New Zealand looking fast and powerful as it foils down-course during June practice session. - America's Cup
At 12:15 p.m. PST, the first two-boat match race in the Louis Vuitton Cup challenger series will begin on San Francisco bay, as team Prada Luna Rossa meets Emirates Team New Zealand.

In late June, both boats practiced running the course. Sail-World photographer Chuck Lantz was there to catch the action.

Luna Rossa, flat-out and flying towards the finish line during a practice session in June. - America's Cup

Old and new generation AC boats meet in the fog on San Francisco bay. Oracle's IAC monohull and ETNZ's AC72 - America's Cup

Luna Rossa shining silver livery with the iconic Golden Gate bridge in the background. - America's Cup

ETNZ and Luna Rossa practicing in late June, in preparation for today's match race. - America's Cup