BROKEN Hill horse trainer Emily Tremelling has celebrated her first win at a racecourse with O'whatapicture saluting at Balaklava, South Australia, on Wednesday, October 16.

O'whatapicture, or “Big Horse” as Ms Tremelling calls him, won the fifth race, ridden by friend Stacey Metcalf.

“Stacy and I have been friends a long time. So yeah, it's amazing,” she said.

Ms Tremelling grew up in ...