The country that won the gold medal in the Men's 4x100m Medley Relay at the Rio 2016 Olympics was the United States of America.
Australia was the country that won the silver medal in the Women's 4x100m Medley Relay at the Rio 2016 Olympics.
The country taking home the bronze medal in the men's 4x100m Medley Relay at the Rio 2016 Olympics was Australia.
The bronze medal in the Women's 4x100m Medley Relay at the Rio 2016 Olympics went to Denmark.
Great Britain was the country that won the silver medal in the Men's 4x100m Medley Relay event at the Rio 2016 Olympics.
Michael Phelps won his eighth career medal at the 2004 Summer Olympics in hte 4x100 meter medley. He did not swimming in the finals but still received a medal for his performance in the heats. Michael Phelps won his eighth and final gold medal of the 2008 Summer Olympics in the 4x100 meter medley relay on August 17.
The gold medal in the women's 4x100 m freestyle relay at the Rio 2016 Olympics was won by Australia.
The bronze medal in the women's 4x100 m freestyle relay at the Rio 2016 Olympics was won by Canada.
Emily Seebohm, Taylor McKeown, Emma McKeon, and Cate Campbell were the silver medalists in the Women's 4x100m Medley Relay at the Rio 2016 Olympics.
The Silver medal in the women's 4x100 m freestyle relay at the Rio 2016 Olympics was won by the United States.
The gold medals in the Men's 4x100m Medley Relay at the Rio 2016 Olympics were awarded to Ryan Murphy, Cody Miller, Michael Phelps, and Nathan Adrian.
The silver medalists in the Men's 4x100m Medley Relay at the Rio 2016 Olympics were Chris Walker-Hebborn, Adam Peaty, James Guy, and Duncan Scott.
The bronze medals in the Men's 4x100m Medley Relay at the Rio 2016 Olympics were given to Mitchell Larkin, Jake Packard, David Morgan, and Kyle Chalmers.