South Australian Derby - A Look Back at Five Iconic Winners

Kristen Manning

Editor

Last updated: Thu 30 Apr 2026 05:37

Kristen Manning 30 Apr 2026

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South Australian Derby began in 1860; race history full of notable champions
Five highlighted winners went on to major successes, including Melbourne Cup victories
Their stories showcase the Derby's lasting impact on Australian horse racing

Mummify wins the final of his five Group 1s in the 2005 Singapore Airlines International Cup, having claimed his first at the 2003 South Australian Derby. (Getty)

First run in 1860 (the year before the first Melbourne Cup) and won by the tough staying filly Midnight (whose son Smuggler sired the 1883 winner Dirk Hatteraick) at the old Thebarton racecourse, the South Australian Derby has had somewhat of an interrupted history.

The Assyrian - 1880
Auraria - 1895
Dayana - 1972
Subzero - 1992
Mummify - 2003

It was not run between 1869 (the year Thebarton closed) and 1875 (the year after the opening of Morphettville), and it has had a few distance changes, run at times over 2400m and 2600m - now at 2500m.

We take a look back at five interesting South Australian Derby winners...

The Assyrian - 1880

The first of four South Australian Derby winners to progress to Melbourne Cup glory, The Assyrian - who also ran second in the Adelaide Cup - was successful at Morphettville under a different name, racing at the time as Rothschild.

Described as “a dark bay horse of rich colour - possessing plenty of size and substance - and a fair share of quality,” The Assyrian was a long-shot Melbourne Cup winner despite being well favoured in the Caulfield Cup, only to strike interference.

His Flemington success came in demanding conditions, with his jockey Charlie Hutchins telling the press that he had “swallowed enough mud to make a garden.”

The Assyrian was one of the four stakes winners produced by his dam Tinfinder, with another of those - Pawnbroker - also winning the South Australian Derby (the year before The Assyrian).

Retired to Tasmania, from where he sired a number of stakes winners including the Toorak Handicap winner Bothwell, The Assyrian is remembered at the Waverley Distillery, whose owner C.S. Agnew also ran a stud.

The distillery is proud of its link with racing history, with The Assyrian’s grave marked in a paddock where rhubarb for one of its gins is grown.

Auraria - 1895

The second South Australian Derby/Melbourne Cup winner - recognised for her feats with the Group 3 Auraria Stakes run in her honour since 1944 - Auraria was a tough campaigner, winning six of ten starts at two.

She was also busy at three - especially during Cup week (noting that the SA Derby was run only a couple of months before at that time); finishing third to Wallace in the VRC Derby on the Saturday, winning the Melbourne Cup on the Tuesday, winning the Oaks on the Thursday, and on the final day dead-heating with Wallace in the C.B. Fisher Plate.

Mark Twain was on course to witness her Cup success, famously noting that:

“Nowhere in the world have I encountered a festival of people that has such a magnificent appeal to the whole nation. The Cup astonishes me. The Melbourne Cup is the Australasian National Day. It would be difficult to overstate its importance. It overshadows all other holidays and specialised days of whatever sort in that congeries of colonies. Overshadows them? I might almost say it blots them out.”

Auraria’s grandson King Of Mirth also won the South Australian Derby (1923), and he sired the 1934 winner Alinura.

She is also the ancestress of one of the great mares of the Australian turf, the popular Dual Choice.

Another female South Australian Derby winner who made her mark at stud is the 1928 winner Mount Of Olives (daughter of the Melbourne Cup winner Sister Olive), whose VRC Oaks-winning granddaughter produced the star galloper Tobin Bronze.

Dayana - 1972

Any discussion about Classic races has to include this wonderful galloper, whose 1972 victory at Morphettville was one of his record-breaking four Derby successes.

The South Australian Derby was the first of his winning spree, one which saw the full brother to the Caulfield Guineas winner Grand Cidium also take out the VRC Derby, the Western Australian Derby, and the inaugural and now defunct (last run in Perth in 1992) Australian Derby.

Also winner of the Geelong Derby Trial and, at three, the Perth Cup (the first of his age in two decades to do so - winning in front of a record crowd with Melbourne Cup winner Piping Lane third), the Bart Cummings-trained Dayana was at the time Australia’s highest-ever prize-money-winning three-year-old, his exploits earning him the title of 1972/73 Australian Horse Of The Year.

Offers from the United States were knocked back, with agent Frank Ford commissioned by a client to “buy the best horse in Australia.”

A couple of other South Australian Derby winners have multiple Derby races to their name - the 2021 winner Explosive Jack also taking out the Tasmanian and ATC versions, whilst back in 1977 Stormy Rex won the South Australian, Victorian, and Western Australian races.

Subzero - 1992

The fourth and most recent South Australian/Melbourne Cup winner (Gatum Gatum won the two in 1961 and 1963), Subzero will long be remembered not only for his deeds on the track but for the great ambassador he proved to be off it.

Purchased from the Magic Millions as a two-year-old prospect, with his two-year-older half-sister Confederate Lady showing great speed at that age, Subzero - or “Subbie” as he was affectionately known - did show up as a juvenile but certainly improved as he matured.

Winning twice from six two-year-old starts, the Lee Freedman-trained gelding recorded his first stakes success in the Listed Dulcify Stakes in 1991, with his lead-up run to his Morphettville success being a VRC St Leger second.

Nine days after his South Australian Derby, Subzero won the Adelaide Cup, and whilst his major wins were in handicaps, he was also competitive in weight-for-age races, finishing second to Prince Salieri in the Group 1 Underwood Stakes.

Known for his love of rain-affected tracks, Subzero retired as a double millionaire before partnering with Graham Salisbury - firstly as a Clerk Of The Course horse and then in a third career visiting retirement homes, schools, and hospitals.

A member of the Australian Racing Hall Of Fame, Subzero has an all-greys race named in his honour during Melbourne Cup week.

Mummify - 2003

Mummify’s story is one that typifies the ups and downs of racing, the brilliant galloper who took Classic form to great handicap and weight-for-age successes providing one of the Caulfield Cup’s most heartbreaking moments.

Unable to be saved after he broke down following a bold third under top weight in the 2005 Caulfield Cup (a race he’d won two years previously), Mummify - who was buried next to Schillaci at the Freedman property - was amongst Australia’s top ten prize-money earners at the time.

A son of the Melbourne Cup winner Jeune, out of a mare by another Cup hero in At Talaq, Mummify first caught the attention of racing fans when he was placed in the 2003 Rosehill Guineas and AJC Derby, having still only won one race - a Kilmore maiden.

Favourite at Morphettville, he snuck up along the rails under Danny Nikolic and just kept improving - at four winning the Underwood Stakes and the Caulfield Cup, and finishing third behind Makybe Diva in the Sydney Cup.

In the spring of 2004, he added the Caulfield Stakes (defeating Grand Armee and Starcraft and, in doing so, becoming Lee Freedman’s 100th Group 1 winner), and the following May he took Australian form overseas, providing Freedman with his first international win in the Group 1 Singapore International Cup.

“He really dug deep in the last 100 metres, it was such a gutsy effort,” Nikolic said on the night.