U.S. women’s 800m trio Mu, Rogers, Wilson advance to semis
NBC Olympics
Americans Athing Mu (2:01.10), Raevyn Rogers (2:01.42) and Ajee Wilson (2:00.02) take first, first and second in their respective women’s 800m first-round prelims to make the semis; Jamaican Natoya Goule wins heat two.
