A humble cow is making waves after swimming 5km across a turbulent sea.

Hooray continued what could be a surprisingly busy build-up towards a Group One challenge with what trainer Sir Mark Prescott felt was her best performance to date in the totepool Sirenia Stakes at Kempton.

Rider Fergus Sweeney claimed the first domestic Group success of his career with a pillar-to-post victory in the totescoop6 Sirenia Stakes at Kempton.