Caeleb Dressel was the fifth athlete to win five gold medals in a single Olympics, securing his spot as one of the most prominent stars at the Tokyo Games.Dressel won two additional golds at the Tokyo Aquatics Centre on Sunday. He first won the 50-meter freestyle for men in 21.07 seconds. Then, Dressel returned about an hour later to finish the butterfly leg. This helped the U.S. set an Olympic record of setting the world record to win 4x100 medley relay. It is a race that the Americans have never lost.Dressel, along with Matt Biondi and Mark Spitz, Americans, joined Dressel as the only swimmers who have won five golds at an Olympics. It was three times for Phelps.Dressel won the 50-free with a comfortable win in the sprint from one end to the other of the pool. France's Florent Mannaudou was the Olympic silver medalist again in 21.55. Brazil's Bruno Fratus took the bronze in 21.57. American Michael Andrew took the final spot.Dressel assisted the U.S. to regain the lead in the team relay. The Americans won the final leg in 3:26.78. This was the fastest ever 4x100 medley relay. This beat the 3:27.28 mark that the U.S. had set in 2009 Rome at the world rubberized championships.Dressel was joined by Andrew, Ryan Murphy and Zach Apple.Britain won silver and Italy bronze.Dressel was the first to enter the day with golds in the 4x100 meter freestyle relay, 100 meter freestyle, and 100 meter butterfly. He also set the world record.Caeleb Dressel was joined by Mark Spitz, Kristin Otto, Matt Biondi, and Michael Phelps as the only swimmers who won five golds in one Olympics. Al Bello/Getty ImagesAmerican Bobby Finke showed a strong finish kick to win the 1,500-meter freestyle race for men, his second Olympic gold medal.Finke kept his eyes closed during the 30-lap race, just as he did when he won the 800-meter freestyle. Finke touched the finish line in 14 minutes and 39.65 seconds.Mykhailo Romanchuk, Ukraine, took silver in 14;40.66. The bronze went to Florian Wellbrock of Germany in 14:40.91. Gregorio Palatrinieri, an Italian citizen, fell to fourth place in 14:45.The race was close for nearly all four top finishers, with the margins often less than one second at the turns. Finke was just right there. He knew that he had the speed to win the 800 after his final lap.Finke was the American surprise of the pool. He was relatively unknown prior to the U.S trials and became the first American male winner of the 1,500-point pool since Mike O'Brien's 1984 Los Angeles Games.Emma McKeon, Australia's female swimmer, won her sixth and seventh Tokyo medals. This is the record for any Australian swimmer to win at an Olympics.McKeon won the 50-meter freestyle for women in an Olympic record time of 23.81 seconds. Silver went to Sarah Sjostrom of Sweden, while Pernille Blume from Denmark, the current Olympic champion, won bronze. American Abbey Weitzel finished last in the eight-woman field.McKeon won her historic seventh medal less than an hour later when she took the butterfly legs and helped Australia win the 4x100 Medley relay in an Olympic record time of 3:51.60. This was just 0.13 seconds behind the second-placed defending champion, the United States. Canada took bronze with 3:52.60.This report was contributed by The Associated Press.