Australia’s world champion racehorse Winx has become a sporting giant, transcending racing in the same way that Muhammad Ali transcends boxing and Bradman transcends cricket.

She is described by her trainer, Chris Waller, as a supreme athlete — a world-class sprinter with a freakish ability to dominate longer distances ‘like Usain Bolt running in 1500-metre races’.

She is the Phar Lap of the modern age, and one of the greatest racehorses in 300 years of thoroughbred racing.

In Winx: The Authorised Biography, Andrew Rule, her owners, her breeder, her trainer and her rider tell the real stories behind the world’s greatest racehorse.

Gareth Parker spoke to Andrew Rule about his new book.

Download this podcast here