His longest-running partnership is with Powerful Response, a horse he has sent out 29 times for 2 wins. That might sound modest, but keeping a horse in consistent work over that many races tells its own story — Harker clearly believes in the horse, and in the patience required to place it right. His most frequent jockey booking is Sam James, who has ridden 15 times for the yard and landed 1 winner. Again, not a headline number, but a working relationship built on repetition and trust, which in a small yard often matters more than the statistics suggest.
One area where Harker does stand out is on wet or muddy ground, where he has won 1 from just 4 attempts — a 25% win rate that puts him well ahead of his overall average. One in four is a remarkable return for any trainer, and it hints that Harker knows how to identify the right conditions for his horses rather than simply running them wherever a race is available. For a trainer still building his string, that kind of tactical awareness can be the difference between a frustrating season and a productive one.
Still relatively early in his career, Harker is the sort of trainer worth keeping an eye on — not because the numbers are dazzling yet, but because the direction of travel is clear and the underlying signs are encouraging.
| Course | Races | Wins | Win rate |
|---|---|---|---|
| Newcastle | 15 | 0 | 0% |
| Thirsk | 10 | 2 | 20% |
| Redcar | 8 | 0 | 0% |
| Catterick Bridge | 5 | 2 | 40% |
| Beverley | 5 | 0 | 0% |
| York | 4 | 0 | 0% |
| Doncaster | 4 | 0 | 0% |
| Pontefract | 3 | 1 | 33.3% |
| Ripon | 3 | 0 | 0% |
| Ayr | 2 | 0 | 0% |
| Haydock Park | 2 | 0 | 0% |
| Hamilton Park | 2 | 0 | 0% |
| Musselburgh | 2 | 0 | 0% |
| Newmarket | 1 | 0 | 0% |
| Wolverhampton | 1 | 0 | 0% |
| Carlisle | 1 | 0 | 0% |
| Chester | 1 | 0 | 0% |
| Nottingham | 1 | 0 | 0% |