Mark Walker

10-time Group 1 winner Imperatriz retired

Te Akau Racing announce the retirement of its star mare

Chain Of Lightning in upset TJ Smith Stakes win

Chain Of Lightning has claimed her first Group 1 win, upsetting some more-fancied rivals in the TJ Smith Stakes at Randwick.

'Niggle Free' Imperatriz At Peak For TJ Showdown

There’s a consensus between trainer Mark Walker and jockey Opie Bosson as to why star mare Imperatriz has been able to climb to the top of the sprinting ranks in the past 12 months.

A brief look at the Australian Cup Day undercard

A look at some of the stories from Australian Cup Day at Flemington.

Te Akau bringing Group 1 winner to Adelaide

Sprint star Imperatriz won’t be seen in the $1m Sangster Stakes at Morphettville next month but New Zealand Racing powerhouse Te Akau Racing have Adelaide in their sights.