Thirteen Under is a 4 year old gelding by Spieth out of the Excellent Art mare, Fifteen Sunflowers.
Last start was 6th at Quirindi on May 12, 2025 in the Elders Killara Feedlot Hcp (C1) over 1200 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)