Ownership: L J Pepper, G C Burrows, J Vanderglas, N Mynott, D Bresnik, J R Taylor, R C Beames, A Baker, C A Fox, B V Keir, G J Withers, B J Mckeough, Ms L M Hampton & M W Ross
Fifty Five Mustang is a 6 year old gelding by Star Witness out of the Testa Rossa mare, Nagas.
Last start was 11th at Goulburn on August 24, 2025 in the Pat Murphy Racing Graeme Spackman Country Magic Showcase (Bm66) over 1600 metres.