Great stories always come out of Warrnambool's famous May carnival and day one of this year's edition produced a beauty - trainer Mark O'Donnell with his two horse stable able to upstage his bigger rivals with his talented four-year-old Prince Sonic recording a tough all the way victory in the 1200m BM70 contest.

Yarraman Park’s champion sire I Am Invincible is on track for a third consecutive Champion Australian Sire Title and is poised to become the first Australian stallion in history to sire the winners of over $30million in a season.