Sarah Sjstrom of Sweden won the gold medal
The woman that won the Gold Medal in the Women's 100m Butterfly competition as part of the 2016 Rio Olympics was Sarah Sjöström.
Michael Phelps won the gold medal in the men's 200 m butterfly at the Rio 2016 Olympics.
Masato Sakai of Japan won the silver medal in the men's 200 m butterfly at the Rio 2016 Olympics.
Madeline Groves of Australia won the gold medal in the women's 200 m butterfly at the Rio 2016 Olympics.
Natsumi Hoshi of Japan won the bronze medal in the women's 200 m butterfly at the Rio 2016 Olympics.
Mireia Belmonte Garcia of Spain won the silver medal in the women's 200 m butterfly at the Rio 2016 Olympics.
The woman that won the Bronze Medal in the Women's 100m Butterfly competition as part of the 2016 Rio Olympics was Dana Volmer.
The woman that won the Silver Medal in the Women's 100m Butterfly competition as part of the 2016 Rio Olympics was Penny Oleksiak.
Hungary won the gold medal in the men's 200 m butterfly at the Rio 2016 Olympics with competing athlete Tamas Kenderesi.
Australia won the gold medal in the women's 200 m butterfly at the Rio 2016 Olympics with competing athlete Madeline Groves.
Japan won the bronze medal in the women's 200 m butterfly at the Rio 2016 Olympics with competing athlete Natsumi Hoshi.
Japan won the silver medal in the men's 200 m butterfly at the Rio 2016 Olympics with competing athlete Masato Sakai.
The United States won the gold medal in the men's 200 m butterfly at the Rio 2016 Olympics with competing athlete Michael Phelps.