NANTERRE, France (AP) — Turns out, those comparisons to Michael Phelps weren't far fetched at all when it comes to Léon Marchand. They certainly weren't a burden for the 22-year-old Frenchman.

France's Léon Marchand followed his four Olympic gold medals by breaking his first short course world record, which was immediately followed by American Regan Smith breaking her own world record.