Ownership: R Griffiths, Mrs S Griffiths, R B Wregg, Mrs A F Wregg, M A Wregg, J P Wregg, D J McBride, C F Mighell, J E Matthews, N Matthews, D Healy, Browns & Kirks (Mgr: S D Brown), H J Goss, D P Goss & Miss S Vasiljevic
Halvorsen is a 8 year old gelding by Magnus out of the Not A Single Doubt mare, Flourishing. He has had 37 starts for 9 wins with the latest start being 194 days ago when 4th at Flemington on December 20, 2023 in the Resimax Group Kensington Stakes over 1000 metres. Halvorsen is a stakeswinner.