After over 85 championships in over 12 countries, the P1 world is fast, and growing. The international motorboat racing competition organised by the Union Internationale Motornautique (UIM) is the highest class of inshore powerboat racing, proving to be an adrenaline rush for both participants and spectators.The UIM F1H2O World Championship is the flagship series of international single-seater inshore circuit Formula powerboat racing. It attracts up to 20 of the world's leading drivers from 13 countries who navigate the lightweight, tunnel-hull catamarans reaching speeds in excess of 240km/h on the straights.Watch them race through the water in an epic H20 Racing: F1H20 World Championship that has nothing to envy from land F1, on Nautical Channel.