American Caeleb Dressel swam the second-fastest 100m freestyle in history to retain his world title yesterday, even as American Lilly King’s disqualification from the women’s 200m breaststroke proved the latest headache for governing body FINA.
The Olympic 100m breaststroke champion King was disqualified for a “non-simultaneous touch” at the first turn of her heat.
The result of USA Swimming’s appeal, which they lost, was only made known minutes before the start of the evening session, prompting fresh criticism.
In King’s absence her great rival Yuliya Efimova, who served a 16-month doping ban in 2013, posted the quickest time of the semi-finals (2:21.20).
Dressel, 22, clocked a jaw-dropping 46.96 seconds in Gwangju, pipping Olympic champion Kyle Chalmers to win swimming’s blue riband event in swashbuckling style.
Meanwhile, Australian Matt Wilson tied the men’s 200m breaststroke world record to underline his title credentials, before Australia set a new world mark in the women’s 4x200m free.
In the day’s highlight race, Dressel exploded from the blocks to lead by a body-length at the turn and finished strong as he bagged his third gold of the week.
“It hurt, it hurt really bad to be honest,” winced the tattooed American. “You don’t get that magical feeling every night — you’ve just got to shut the brain off and go.”
Dressel, who racked up seven world titles in Budapest two years ago, high-fived his Aussie rival Chalmers before perching himself on a lane rope to milk the crowd’s applause, raising a fist to flag-waving American fans.
Chalmers touched in 47.08 with Russia’s Vladislav Grinev the best of the rest in 47.82. The world record of 46.91 was set by Brazilian Cesar Cielo in 2009.
“I gave it my all tonight,” said Chalmers. “But I saw Caeleb did 46.9 — which is absolutely mind-blowing.”
Elsewhere, Daiya Seto captured Japan’s first gold medal of the competition by sweeping to victory in the men’s 200m individual medley in 1:56.14.
Seto, twice a 400m medley gold medallist, refused to buckle under pressure as he held off Switzerland’s Jeremy Desplanches to win by just under half-a-second, with defending champion Chase Kalisz taking bronze.
Wilson won his 200m breaststroke semi-final in 2:06.67 — tying the world record held by Japan’s Ippei Watanabe, who also qualified for today’s final.

‘Beyond my wildest
“It’s beyond my wildest beliefs,” said Wilson. “It’s given me a world of confidence.”
Boglarka Kapas made it a Hungarian double in the 200m fly as she stormed to women’s gold in 2:06.78 from American Hali Flickinger, 24 hours after countryman Kristof Milak pulverised Michael Phelps’s 10-year-old world record.
American great Katie Ledecky returned to the pool after pulling out of her 1,500m title defence and the 200m free heats earlier in the week, producing a strong second leg in the women’s 4x200m free.
Ledecky revealed a late-night text from Olympic legend Phelps had helped pep her up after she went down with a flu bug.
“He texted me and was kind of just like, ‘What’s up, are you okay?’ — That meant a lot,” she said. “I got that text in the middle of the night when I was having one of those sleepless nights. That gave me a little bit.” 
But the Aussies clung on, as Emma McKeon anchored the green and gold to a third relay title of the week in a world-record 7:41.50 with the United States also ducking under China’s old mark.
McKeon said: “I was hurting but when it comes to a relay you give it your all.”
World record holder Sarah Sjostrom qualified fastest for the women’s 100m final in 52.43 from Cate Campbell, whose blistering anchor leg brought Australia a gold medal in the 4x100m mixed medley relay on Wednesday.
“I was definitely up pinging a little bit last night,” Campbell told AFP.
“Tonight was all about conserving energy — I just knew I had to stick with Sarah and if I did then I would qualify no worries.”
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