The culmination of the 'Masters' 50th anniversary saw the British rider pilot Hello Jefferson to a nail-biting win in the $5 million event.

The victory came aboard Hello Jefferson in a starting field of 37, edging Germany's Daniel Deusser and Killer Queen VDM.

The grand finale of the CSI5* was the perfect tune-up prior to the Olympics for Brash (GBR) against a tough international field.