Don't miss the world series of powerboat racing on Mission Bay. San Diego's single most exciting boat race and family beach festival celebrates the end of summer with eat-my-wake speed and agility. Watch contestants take the fastest course in the Unlimited Hydroplane Racing Circuit. Hear the roar of engines preparing for battle. See the grace of athletes and their machines in motion. Join the camaraderie of enthusiastic fans cheering the victor. Feel the Thunder!