Australian racing tips: Preview and best bets for the high-class card at Morphettville on Saturday 1 May 2020, 15:46 Updated : 1 May 2020, 15:51 SET your alarm (or maybe just Sky+ it. ) as there is some top-class racing Down Under this Saturday. There are Group races galore at Morphettville in Adelaide. We’ve previewed the big races and have some top tips. 6.16am: Euclase Stakes (Group 2) The ground is going to be testing on one of Morphettville’s big racedays of the year.