200 freestyle, 100 butterfly, 200 butterfly, 200 individual medley, 400 individual medley, 4x100 freestyle relay, 4x200 freestyle relay, and 4x100 medley relay.
Swimmer Matt Biondi won 8 gold medals in Olympic competition: 1984 - 4x100 meter freestyle relay 1988 - 50 meter freestyle, 100 meter freestyle, 4x100 meter medley relay, 4x100 meter freestyle relay, 4x200 meter freestyle relay 1992 - 4x100 meter freestyle relay, 4x100 meter medley relay
There are multiple relay races: 4x100, 4x100, distance medley, and other less used relays. Every relay has 4 members.
At the Olympics, both men and women compete in the 4x100 meter freestyle relay, 4x200 meter freestyle relay, and 4x100 meter medley relay.
Swimmer Amy Van Dyken of the United States won 4 gold medals at the 1996 Games in Atlanta (50 meter freestyle, 100 meter butterfly, 4x100 meter freestyle relay, 4x100 meter medley relay) and 2 gold medals at the 2000 Games in Sydney (4x100 meter freestyle relay, 4x100 meter medley relay).
6.Swimmer Amy Van Dyken of the United States won 4 gold medals at the 1996 Games in Atlanta and 2 at the 2000 Games in Sydney.1) 1996 gold - 50 meter freestyle, 100 meter butterfly, 4x100 meter medley relay, 4x100 meter freestyle relay2) 2000 gold - 4x100 meter medley relay, 4x100 meter freestyle relay
4 ... gold in men's 4x100 meter freestyle relay and 4x200 meter freestyle relay and silver in 100 meter butterfly and 4x100 meter medley relay.
The bronze medal in the Women's 4x100m Medley Relay at the Rio 2016 Olympics went to Denmark.
Australia was the country that won the silver medal in the Women's 4x100m Medley Relay at the Rio 2016 Olympics.
Dawn Fraser's specialty was freestyle swimming and she competed in the 100 meter freestyle, 400 meter freestyle, 4x100 meter freestyle relay, and 4x100 medley relay events at the Olympics.
That was Michael Phelps of the United States: Gold: 100 meter butterfly 200 meter butterfly 200 meter individual medley 400 meter individual medley 4x200 meter freestyle relay 4x100 meter medley relay Bronze: 200 meter freestyle 4x100 meter freestyle relay
The country taking home the bronze medal in the men's 4x100m Medley Relay at the Rio 2016 Olympics was Australia.