Mark Pierrepont has Signet Ace as the fastest runner to the ‘halfway mark’ – a predetermined point close to the third bend and approximately at the midway point of the Derby course.

Each clocking is digitally recorded to give an accurate comparative time for each of the 48 qualifiers.

We have listed the runners in time order from the second round also give an easy visual indicator of the dogs who improved between the rounds.

The two fastest times of the round are indicated by the red figures.