Postpublished at 03:16 British Summer Time 26 July 2021
And we're away. Peaty is looking good.
Great Britain win three golds and two silvers on day three - fifth in medal table
Adam Peaty retains 100m breaststroke title
Divers Tom Daley and Matty Lee win synchronised 10m platform
Tom Pidcock wins men's mountain bike cross-country gold
GB's Lauren Williams wins silver in -67kg taekwondo
Alex Yee takes triathlon silver, with Jonny Brownlee fifth
GB fourth in men's gymnastics team final
Adam Burgess fourth in men's canoe slalom final
GB women's hockey beat South Africa 4-1 in second group match
Becky Grey and Alex Bysouth
And we're away. Peaty is looking good.
Fellow Team GB swimmers and support staff are in the crowd. Lots of noise when Peaty emerges.
100m breastrstoke final
Remember, Team GB have two swimmers in this final. James Wilby is in lane seven. Peaty is in four.
100m breaststroke final
Here comes Adam Peaty. He looks PUMPED!
Women's 100m breaststroke semi-final
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Men's 100m breaststroke final
Mark Foster
Former freestyle world swimming champion on BBC TV
Peaty doesn't even need to go near his world record - the rest know they can't get near him.
Men's 100m breaststroke final
Rebecca Adlington
Double Olympic gold-medal winning swimmer on BBC TV
Tonight it's all about making history.
The thing is with Adam, there's no talk of him stopping either.
He's a born true racer - he loves the build-up, he really thrives off that.
Men's 100m breaststroke final
Team GB
Team GB
Adam Peaty has been speaking about getting to the final in Tokyo.
"I knew what I needed to do. It's not really about proving anything, putting any little markers down because I know a lot of energy [is needed] in the final.
"Every day has new challenges, new victories. As long as the sun rises and my eyes are open anything can happen. Obviously Olympic finals are Olympic finals but I'm the best racer in the world and I'm looking forward to it.
"I love to race, I'm a scrapper and I know when it comes down to the last 15 I've got something no one else has got. It's just seeing how that replicates in the final."
Men's 100m breaststroke final
Rebecca Adlington
Double Olympic gold-medal winning swimmer on BBC TV
Peaty's just been so dominant. Don't bother what the time is - just get your hand on the wall first.
Having a son has given him more perspective, he just seems more relaxed.
Men's 100m breaststroke final
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All eyes on Adam Peaty now. We're a few minutes from the men's 100m breaststroke final. A first gold for Team GB?
Women's 100m breaststroke semi-final
Ireland's Mona Mc Sharry finished fourth - and does make the final.
Women's 100m breaststroke semi-final
A fifth placed finish for Sarah Vasey. She misses out on the final. Tatjana Schoenmaker wins in a time of 1:05:07.
Women's 100m breaststroke semi-final
Sarah Vasey in third spot at the turn.
Women's 100m breaststroke semi-final
And off they go! Sarah Vasey is in lane seven.
Men's 100m breaststroke final - 03:12 BST
Adam Peaty has a huge tattoo of a lion on his arm. Will he be adding more if he triumphs in Tokyo?
"It's a British lion because I'm very patriotic and the lion has characteristics I can relate to - like being proud and strong," he says.
"It reminds me what it took to get that gold and the world record."
Next up flying the Team GB flag in the pool is Sarah Vasey in the second semi-final of the women's breaststroke.
Andy Jameson
Commentator and former Olympic swimmer on BBC TV
Young Tom Dean - goes into the final as the fourth fastest.
Andy Jameson
Commentator and former Olympic swimmer on BBC TV
A really good swim from Duncan Scott - that is really fast!
Men's 200m freestyle semi-final
Duncan Scott wins the second semi-final. That's a brilliant effort by the Team GB swimmer. Tom Dean is fourth and is through to the final as well. Fantastic.
The winning time is 1:44:60.