Madeline Groves of Australia competes in the Women's 200m Butterfly Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil.

Madeline Groves of Australia competes in the Women's 200m Butterfly Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil.

Mireia Belmonte Garcia of Spain competes in the Women's 200m Butterfly Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil.

Mireia Belmonte Garcia of Spain competes in the Women's 200m Butterfly Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil.

Madeline Groves of Australia competes in the Women's 200m Butterfly Final on Day 5 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 10, 2016 in Rio de Janeiro, Brazil.

Gold medalist Michael Phelps waves during the medal ceremony for the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil.

Natsumi Hoshi of Japan competes in the second Semifinal of the Women's 200m Butterfly on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil.

Liliana Szilagyi of Hungary competes in the first Semifinal of the Women's 200m Butterfly on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil.

Michael Phelps of the United States competes in the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil.

Michael Phelps of the United States competes in the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil.