Ms E C Costello(7)

The detail that jumps out is her record when the ground turns wet and muddy. In those conditions, she has won 2 from 5 races — that's 40%, or very nearly 1 in every 2. For context, most jockeys would be delighted with a 1-in-5 win rate across any stretch of racing. Doubling that figure in specific conditions isn't luck — it suggests she rides with real confidence and authority when others are splashing around and struggling to find their footing. Wet ground rewards patience and a steady pair of hands, and those appear to be qualities she has in good supply.

She has been riding since 2022, so there is still plenty of time for those numbers to grow. But any trainer looking for a jockey on a rain-soaked afternoon would do well to give her a second look.