Tokyo Olympics News: Updated Competition Schedule Five-time Olympic gold medalist Katie Ledecky and two-time Olympic gold medalist Caeleb Dressel aim for their first Tokyo Olympics gold medals in primetime tonight, beginning at 7 p.m. ET on NBC. Ledecky will compete in the women’s 400m freestyle and Dressel will compete in the men’s 4x100m freestyle relay. Additional U.S. medal contenders …