This study explores the transnational flows of ideas about racing, thoroughbred horse-breeding, and racing’s literary structures between Britain and mainland Europe between circa 1770 and the 1880s. It draws out the ideas and ideologies associated with horse racing and breeding; the cross-border movements of cultural mediators (such as owners, breeders, jockeys, and trainers); and the relevant media produced. It reveals the initial resistance to British models, especially amongst equestrian and state stud officials, and the relatively meagre support for horse-racing in much of continental Europe up to the 1850s. But British models were promulgated by some aristocrats and the emerging bourgeois elites, especially in France, Germany, Prussia,...