Oakleigh Plate winner Woorim has been retired because of ongoing hoof problems.
"There are minute hairline fractures in his problematic hooves which may well have been lingering for some time and the ongoing battle is insurmountable," trainer Robert Heathcote said.
Woorim gave Heathcote his first Group One win as a trainer when he produced a barnstorming last-to-first finish to win last year's Oakleigh Plate.
The gelding failed to beat a runner home when attempting to defend his title in this year's Oakleigh Plate won by Mrs Onassis at Caulfield on February 23 when he pulled up sore.
