Sha’Carri Richardson won her first-ever race at the Olympics and Australia's swimmers and Léon Marchand continued their dominance in the pool on Day 7 of the Paris Games. (AP Photos: Petr David Josek, Robert F. Bukaty, Morry Gash, Mark J. Terrill, Aurelien Morissard, Kirsty Wigglesworth, Eugene Hoshiko, Thibault Camus, Dita Alangkara, Abbie Parr)