RRP £14.99. Mary King has been competing at the Mitsubishi Motors Badminton Horse Trials since 1985, winning the most coveted trophy in the sport of eventing twice. In 2007 and 2008 a camera crew followed her in her quest for glory at Badminton and this is the story of her triumphs and disasters, including comprehensive action footage and unique behind the scenes images. Approx 47 minutes.