It was Winx's third straight victory in the 2,000 meter Group One race and came on the back of four straight victories in the Cox Plate - Australia's richest weight-for-age race. Twenty-five of those wins for the 7-year-old daughter of Street Cry out of Vegas Showgirl, by Al Akbar, came in Group 1 competition in her native Australia.
She was hot favourite and with long-time jockey Hugh Bowman in the saddle there was only ever going to be one victor, cementing her place in horse racing history alongside fellow Australian greats Phar Lap and Black Caviar.
There were tears aplenty as the sell-out crowd of 42,000 at Royal Randwick gave her a standing ovation as she rode around her home racecourse, venue of 20 of her wins, for the final time.
"We didn't expect her to be coming this far and her winning sequence, so I've been prepared for the last 12 months for her to be retired", said Waller ahead of the race, who prefers to sit alone and watch when Winx is racing.
Earlier this week, however, Waller said he didn't think Winx had anything left to prove and he wasn't interested in taking her overseas.
But what of Winx, the wonder mare who goes into retirement after 33 consecutive wins. "She has captured the hearts of people all around the world".
"We'll keep her around the stable for probably four or five days so everybody can just spend a bit of time with Winx for who she is, and that's just basically a pet", he said, before later adding.
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"It's over, there's mixed emotions and I'm so proud to be part of it", said Bowman.
Experts predict each of her foals could fetch more than a million dollars.
"I wouldn't say life moves on after Winx.but there's a special bond between the owners, the trainer, the jockey all our key staff and our families that'll never be replaced".
"It sure has. I hadn't thought about winning a race like today ever in my lifetime. But thanks for appreciating her for what she is".
"The public realize the awesome history they have witnessed today".
"I can't describe her (Winx) in words".
"The incredible horse Winx has continued to deliver".