Star mare Winx has been honoured as Australia's Horse of the Year for her unbeaten season which has included wins in the Cox Plate and Doncaster Mile.
In-form Hartnell is favourite to notch his first Melbourne win when he lines up in the Group One Turnbull Stakes at Flemington.
International contenders for the spring carnival are Melbourne bound to their new home at Werribee.
Chris Waller goes through his 12 Group One runners on the biggest day of Sydney's spring racing carnival.
Trainer David Brideoake is still uncertain where the promising Apiata will begin his spring three-year-old campaign.