This year’s British Dressage National Championships were a huge success.TopSpec sponsored Jo Hamilton and Corchapin scored a fantastic 72.22% to take the Medium Open title.Said Jo: "Thank you TopSpec for everything you have done to make the horses what they are, what goes in certainly comes out in their performance.”The four-year-old Mount St John Best of All, ridden by Charlotte Dujardin, and owned by Mount St John Stud won the Potential International Dressage Horse four-year-old Championship with a score of 8.30% and Para dressage rider Bert Sheffield and Double Agent won the Grade III section in the KBIS Para Dressage Championship.