Seabiscuit was one of the most remarkable Thoroughbred racehorses in history. From 1936 to 1940, Americans thronged to racetracks to watch the small, ungainly racehorse become a champion.

East Somerville’s Andrew Platt, 51, runs Seabiscuit — not the horse, but the bakery that took over the KO Catering & Pies space in East Boston in September 2021.