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Adam Peaty, of Britain, swims the men’s 100-meter breaststroke at the 2020 Summer Olympics, in Tokyo, Japan. Image Credit: AP

Tokyo: Britain’s Adam Peaty clocked a scorching heat time today to kickstart the defence of his Olympic 100m breaststroke crown on the opening day at the Tokyo pool.

Peaty, 26, who has lowered the world record five times and is arguably the greatest ever over the distance, hit the wall in an eye-catching 57.56 sec.

And he’s just getting warmed up.

“Of course, a heat’s a heat. I always have cobwebs, I did in Rio, and I always build on that,” he said at a 15,000-seat Tokyo Aquatics Center devoid of fans, but with US First Lady Jill Biden poolside on the first of nine days of action.

Lot of variables

“I was a bit shaky on the start, for some reason I was ripping it a bit too hard but there’s a lot of variables when it comes to the Olympics.”

Peaty appears unstoppable heading into tomorrow’s semi-finals, but he does have competition from Arno Kamminga, who clocked a monster 57.90 in May to be the only other swimmer besides Peaty to go under 58 seconds.

And the Dutchman bettered that, touching in 57.80.

American Michael Andrew, who caused a stir by opting not to be vaccinated against Covid-19 before heading to Tokyo, was third fastest.

In the evening’s other heats, Hungarian world record holder Katinka Hosszu struggled in her fifth Olympic campaign.

The triple gold medallist, nicknamed the “Iron Lady”, finished fourth in her heat and seventh overall.

She made tomorrow’s final but was nearly three seconds adrift of quickest qualifier Emma Weyant, who touched in 4:33.55.

“I’m really happy with my time, it’s right off what I had at trials,” said the American teenager, who was almost two seconds clear of second-placed Aimee Willmott of Britain.

“Obviously my goal is to come home with a medal for the United States.”

Sweden’s Sarah Sjostrom’s comeback from a broken elbow this year gathered steam as she motored through her 100m butterfly heat in 56.18 to make Sunday’s semi-finals.

But the defending champion and world record holder will need to find another gear with China’s Zhang Yufei and Australian Emma McKeon both touching in 55.82.

Fourth quickest

Germany’s Henning Bennet Muhlleitnet topped the times in the men’s 400m freestyle in 3:43.67 ahead of Austria’s Felix Auboeck (3:43.91).

Elijah Winnington, who shocked Mack Horton at the Australian trials to deny him the chance of defending his Olympic title tomorrow, was fourth quickest in a tie with team-mate Jack McLoughlin.

The door to a gold medal is wide open with China’s Sun Yang, the 2012 London champion, also missing as he serves a doping ban.

Meanwhile, Australia’s world-leading women’s 4x100m relay team stormed home in 3:31.73, nearly two seconds clear of second fastest, the Netherlands.

And that was their B team, missing Cate Campbell and Emma McKeon, making them hot gold medal favourites tomorrow.