Thirteen Under is a 4 year old gelding by Spieth out of the Excellent Art mare, Fifteen Sunflowers.
Last start was 7th at Quirindi on April 29, 2025 in the Pursehouse Rural Hcp (C1) over 1000 metres.
Sale Details

Lot 191 2022 Inglis May (Early) Online Sale
Vendor: Owners Buyer: Hunter Bloodstock $7,500
Spieth (NZ)
Fifteen Sunflowers (AUS)
Thorn Park (AUS)
Stella Livia (GB)
Excellent Art (GB)
Bella Caile (AUS)
Spinning World (USA)
Joy (AUS)
Titus Livius (FR)
Sombreffe (GB)
Pivotal (GB)
Obsessive (USA)
Desert Style (IRE)
Salamaura (AUS)
Nureyev (USA)
Bluebird (USA)
Machiavellian (USA)
Polish Precedent (USA)
Polar Falcon (USA)
Seeking The Gold (USA)
Green Desert (USA)
Sostenuto (ITY)