Ownership: S Sheppard, Mrs J Davies, Ms S Danzinger, T Ford, C Holden, Ms M Potiris, L Buckingham, D Althaus, B Kliese, Ms E Freeman, M Winton, T Heggie, K Beikoff, S Nosworthy, T Nosworthy, T Malthouse & S Thorburn
I'm Not Sure is a 11 year old colt by Choisir out of the Encosta De Lago mare, Crimson Ribbon. He has had 69 starts for 6 wins with the latest start being 1418 days ago when 8th at Cairns on August 20, 2020 in the F J Wieland Racing (Bm72) over 1900 metres.