The key to Zimmerman is ground. On wet and muddy terrain, he becomes a different animal altogether, winning half his races (2 from 4) contested on heavy ground. Switch the surface to slightly softer conditions and he still thrives, notching four wins from ten races (40% win rate). This is a horse that wants the ground to give under his hooves; dry, fast ground is his enemy. Easterby has clearly learned this lesson and hunts opportunities accordingly. The trainer described him as a staying horse with an improving profile, mentioning both the Chester Cup and the Northumberland Plate as targets — two long-distance races where stamina and preference for softer ground align perfectly.
Catterick Bridge has become his happy hunting ground. He has won twice from just three races there, including a victory five weeks ago, making him a serious contender whenever he returns to that track. In the saddle, Sean Kirrane has had particular success, winning three of twelve races together (25% win rate) — far above Zimmerman's overall average. This is a horse that responds to the right combination of jockey, ground conditions, and course. The Easterby yard, which has already sent out 128 winners this season, clearly knows how to find the right race for him.
| Course | Races | Results | Last run | Win rate |
|---|---|---|---|---|
| Ripon Sharp |
8 | 1 win, 2 thirds, 5 other | 26 Sep | 12.5% |
| York Galloping |
7 | 1 win, 1 third, 5 other | 11 Oct | 14.3% |
| Chester Tight |
7 | 2 thirds, 5 other | 19 Sep | 0% |
| Haydock Park Galloping |
6 | 3 wins, 3 other | 4 Sep | 50% |
| Catterick Bridge Sharp |
3 | 2 wins, 1 second | 8 Sep | 66.7% |
| Redcar Galloping |
3 | 1 win, 1 second, 1 other | 1 Oct | 33.3% |
| Newcastle Galloping |
3 | 3 other | 21 Aug | 0% |
| Musselburgh Sharp |
2 | 1 third, 1 other | 21 May | 0% |
| Hamilton Park Sharp |
2 | 2 other | 7 May | 0% |
| Pontefract Undulating |
2 | 1 third, 1 other | 8 Jun | 0% |
| Carlisle Undulating |
1 | 1 other | 19 Aug | 0% |
| Ayr Galloping |
1 | 1 other | 10 Jul | 0% |
| Thirsk Galloping |
1 | 1 second | 22 Apr | 0% |
| Nottingham Galloping |
1 | 1 other | 14 Oct | 0% |