Their site provides information about these events and has some amusing animations. Requires Flash Player 4. Official site of the ESPN X-games . Iditasport - Organiser of extreme sports events in Alaska. Frontier Racing - information about adventure racing and details of events in Canada.
Site includes race details and history.
Register on-line or download registration forms. Gauloises Raid - Info on the international extreme event inc. Extreme Sports Nutrition sells performance foods for use in extreme sports and advice on how to get the most from your body in its encyclopedia section. Its a US site but will ship to the UK, although prices can be steep. Hotchicken.co.uk's extreme and alternative sports site.