Ownership: B A Siemsen, R J Dauth, Mrs C M Bachmann, D W Bachmann, G R Bachmann, A J Ellis, B Twomey, G M Twomey, N J Twomey, J Volk, G M Cartwright, C W D Inglis, G Howland, R Lewsui, Wunters, J M Twomey, Executive Racing Club & No 2 Crew
Isotope is a 6 year old mare by Deep Field out of the Choisir mare, Great Dansaar. She has had 19 starts for 6 wins with the latest start being 473 days ago when 3rd at Doomben on March 18, 2023 in the Eureka Stud Military Rose over 1110 metres. Isotope is a stakeswinner.