RIO DE JANEIRO, BRAZIL - AUGUST 12:  (R-L) Karen Torrez of Bolivia, Baean Jouma of Syria, Naomi Ruele of Botswana and Rebecca Heyliger of Bermuda compete in the Women's 50m Freestyle heat on Day 7 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 12, 2016 in Rio de Janeiro, Brazil.  (Photo by Adam Pretty/Getty Images)