When it comes to diversity, swimming has a way to go.
Canadian Penny Oleksiak and Simone Manuel of the United States were inseparable at the finish and even more united in joy after a stunning 100 metres freestyle dead-heat rewarded both with Olympic gold on Thursday.
Denmark's Pernille Blume beat the favorites to win the 50 meters freestyle in 24.07 seconds on Saturday and give her country a first Olympic swimming gold medal since 1948.
The United States won its 1,000th Olympic gold medal on Saturday when the American women's 4x100 metre medley relay team clinched victory at the Rio Games.
The United States set a world record of three minutes and 50.40 seconds in the women's 4x100m medley relay final at the world championships on Sunday.
Dressel had already won three individual golds and three relay titles in Budapest and Sunday's addition allowed him to match his compatriot Phelps's tally from the 2007 championships in Melbourne.
Australia's women, powered by sisters Bronte and Cate Campbell, beat the United States and Canada to win the Olympic 4x100 metres freestyle relay in world record time on Saturday, retaining the title they won in London four years ago.
Caeleb Dressel lit up the pool by winning his fourth, fifth and sixth gold medals on Saturday but even his electric performance failed to brighten the mood on a dark day at the world swimming championships in Gwangju.
At 19, Milak is the youngest winner of the 200 butterfly since Phelps triumphed as an 18-year-old in 2003, the second of the American great's five world titles in the event.
Check out the gold medal winners on Day 7 of the 2016 Olympic Games in Rio de Janeiro, on Friday:
Joseph Schooling won the men's 100 meters butterfly final on Friday to secure Singapore's first Olympic gold medal and deny Michael Phelps a 23rd in the last individual race of the American's extraordinary career.
American swimmers smashed records and grabbed gold at the world championships on Friday, with sprint king Caeleb Dressel taking down Michael Phelps' 100 metres butterfly world record and teenager Regan Smith lowering the women's 200 backstroke mark.
Poland's Magdalena Fularczyk-Kozlowska and Natalia Madaj edged past Britain's Katherine Grainger and Victoria Thornley in the final meters of the race to snatch the gold medal in the women's double sculls at the Olympic rowing regatta on Thursday. The nail-biter saw the two boats neck-and-neck for much of the race. Britain led Poland by just .64 seconds at the halfway mark and appeared poised to win.
Athletes to watch at the Gold Coast Commonwealth Games:
A summary of sports events and sports persons, who made news on Sunday
Drysdale wins close single sculls gold Also, check out late gold medal winners from Day 7...