RIO DE JANEIRO, BRAZIL - AUGUST 10: Kyle Chalmers of Australia celebrates winning gold in the Men's 100m Freestyle Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil. (Photo by Tom Pennington/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 09: Kyle Chalmers of Australia looks on in the second Semifinal of the Men's 100m Freestyle on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil. (Photo by Adam Pretty/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 10: Gold medalist Kyle Chalmers of Australia poses on the podium during the medal ceremony for the Men's 100m Freestyle Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil. (Photo by Al Bello/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 10: (L-R) Silver medalist Pieter Timmers of Belgium, Gold medalist Kyle Chalmers of Australia and Bronze medalist Nathan Adrian of the United States pose on the podium during the medal ceremony for the Men's 100m Freestyle Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil. (Photo by Al Bello/Getty Images)
