sentences:  Another notable Welsh jockey was Dick Francis, who was British jump racing Champion Jockey in the 1953–54 season and was famous for riding Devon Loch when the horse slipped close to the winning post when leading 1956 Grand National.In retirement Francis became a best-selling author of crime novels set in the racing world.A popular, if unusual, form of horseracing in Wales is harness racing, known in Wales as 'trotting'.