Last update on. From the section OlympicsTokyo Olympic Games on BBC Dates: 23 Jul-8 Aug Time in Tokyo: BST+8. Listen live on BBC TV, BBC iPlayer and BBC Red Button; Listen live on BBC Radio 5 Live, Sports Extra, and Sounds; Live text and video clips available on BBC Sport app and website.Great Britain won a fourth Olympic swimming gold by winning the inaugural 4x100m mixed Medley relay in a record time.In three minutes 37.58 seconds, the British quartet of Kathleen Dawson and Adam Peaty, James Guy, and Anna Hopkin won.China won the silver medal, while Australia took home bronze.Peaty won the gold in Tokyo, his second after the 100m breaststroke. Guy also won the 4x200m freestyle relay.Peaty stated that "one word has changed the entire British team - belief.""We believe we can win, we believe we can get world records. You can create anything if you believe, and that is what we did here.Great Britain was more than two seconds ahead of the field in heats, and they continued their dominance in the raceAmazing recovery stage by GBDawson fell off the wall during her backstroke leg, but she fought back brilliantly to allow her teammates to chase her down.Peaty and Guy overturned a deficit in the middle splits, the latter finishing his 100m in only 50 seconds. Hopkin then held on to the 100m with American star Caeleb Dressel.Surprisingly, the USA didn't play a significant role in finishing fifth. Dressel had too much work in his leg in what was the 24-year old's third race.Hopkin said, "I tried not to think about [Dressel chasing Dressel down]". "I tried to not think about how far we were from them.It doesn't matter if you're in water, you just have to race. I was able to see that I had some water ahead of me when I turned and so I went for it. It's an incredible feeling to be part of this team.Great Britain has seven swimming medals in Tokyo so far. They could increase that number on Sunday with Dan Jervis (men’s 1500m freestyle), and the men's 4x100m Medley relay team.Dressel sets a new record for goldDressel won his third Tokyo Olympics gold medal with a world-record-breaking swim to win men's 100m butterfly.The 24-year old made it home in 49.45 seconds, but Kristof Milak from Hungary was 0.23 seconds behind. Noe Ponti from Switzerland won the bronze.USA's Katie Ledecky won 800m freestyle gold, her third consecutive Olympics with a dominant swimmer.She won the race in 8:12.57, beating Ariarne Titmus who took silver. Simona Quadarella took bronze.Ledecky now has six Olympic golds in the 200m and 400m freestyle, while Titmus of Australia beat Ledecky.Finally, Kaylee McKeown of Australia won the women's 200m breaststroke.McKeown won the 100m backstroke in 2:04.68, McKeown's second gold medal of the Games. Canada's Kylie Mass won silver, while Emily Seebohm from Australia claimed bronze.