On A Winning Day is a 6 year old mare by Winning Rupert out of the Fastnet Rock mare, On A Given Day.
Last start was 7th at Belmont Park on May 21, 2025 in the Ashok Parekh & Co Mdn over 1000 metres.
Sale Details

Lot 389 2019 MM National Weanling Sale
Vendor: Rushton Park Tatura Vic
Buyer: Cornerstone Stud $37,000

Lot 686 2020 Inglis Melbourne Premier Yearling Sale Showcase
Vendor: Cornerstone Stud, Angaston, SA
Buyer: One World Racing / S Cameron $70,000
Winning Rupert (AUS)
On A Given Day (AUS)
Written Tycoon (AUS)
Winaura (AUS)
Fastnet Rock (AUS)
Full Bloom (AUS)
Iglesia (AUS)
Party Miss (AUS)
Show A Heart (AUS)
Miss Bonnie Can (AUS)
Danehill (USA)
Piccadilly Circus (AUS)
Snippets (AUS)
Pireanda (GB)
Last Tycoon (IRE)
Kenmare (FR)
Brave Warrior (AUS)
In The Slot (AUS)
Danzig (USA)
Royal Academy (USA)
Lunchtime (GB)
Taufan (USA)