Black Caviar, the Australian sprinter that many claim to be unbeatable, has stretched a record run of wins to 21 by winning the Group One Goodwood at Morphettville, Adelaide.
The 5-year-old mare easily won the 1,200-meter race, her last before heading to England for the Diamond Jubilee Stakes at Royal Ascot in June.
She even slowed down approaching the post for a one-length victory, according to the Associated Press.
Jockey Luke Nolen was quoted as saying: "She was never out of second gear.
"I'm not a punter. I don't worry about margins.
"As long as she bloody wins I don't care."
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The New York Times cited Timeform ratings as ranking Black Caviar second best in the world behind the UK-based Frankel.
Wise Dan, at eighth, is the highest-ranking American horse.
BBC meantime cited trainer Peter Moody as rejected claims that Black Caviar had to prove herself at Royal Ascot.
Responding to the suggestion by a British journalist that she had not beaten any major international horses in Australia, Moody replied: "You have never seen anything like this horse before.
"It would be an absolute tragedy if she went there [to Ascot] and got beaten by your B-grade sprinters for half the prize money and [traveling] three-quarters of the way around the world."