Allyson Felix won the women’s 400m silver medal to become the most decorated USA female track and field athlete ever, Dalilah Muhammad advanced to the women’s 400m IH semifinals and Tynia Gaither advanced to the women’s 200m semifinals to highlight USC’s efforts at the 2016 Olympics held at Olympic Stadium in Rio de Janeiro, Brazil today (Aug. 15). Felix’s medal is the eighth won by a Trojan so far at the Rio Games.