Trained by David Hayes and Tom Dabernig, Catchy was eased back at the start from an outside gate by Craig Williams and found herself at the tail of the field.
When angled into the clear on turning for home she charged to the line to score a thrilling neck win in the 1000 metre scamper.
“She travelled well and handled the day well, she’s got a big future,” said Williams.
A $220,000 Inglis Australian Easter purchase from the Coolmore draft for Dorrington Farm, Catchy is nominated for the Blue Diamond and Golden Slipper.
She is the fourth winner from four foals to race from Group II winner Cats Whisker.
Coolmore will offer the full sister to Catchy at Magic Millions next month as Lot 703 and Cats Whisker produced another colt by Fastnet Rock this spring.