The clearest pattern in this horse's record is its love of wet ground. On soft or muddy surfaces, Merisi Diamond has won three races from ten attempts, a 30 per cent win rate that stands out sharply against its overall 19 per cent record. That is a meaningful edge, the sort of thing smart the yard learn to exploit. Roscommon, too, brings out the best in this horse—two wins from five races at that track suggest genuine course form, not random luck. Its first career victory came at The Curragh on 31 October 2023, and it returned to that same track to win most recently on 19 April 2026, five months ago now.
The partnership with jockey Ronan Whelan has been notably productive. Together they have combined for four wins from fourteen races, a 29 per cent win rate that comfortably outperforms the horse's overall figures. That sort of consistency between horse and rider matters; it suggests they understand each other. Thomas Coyle's Batterstown yard may not be sending out winners at a tremendous rate this season—just two so far—but Merisi Diamond has become a reliable source of success within that operation.
The horse is active still, having raced just a day ago, though recent form has been mixed: a third-place finish in that latest outing, sandwiched between a seventh and a sixth place two and three runs back. Nothing alarming, but a reminder that even the good days come and go. When the ground turns wet and Merisi Diamond finds itself at Roscommon or Curragh, though, there is genuine class to find here.
| Course | Races | Results | Last run | Win rate |
|---|---|---|---|---|
| The Curragh Galloping |
14 | 3 wins, 1 second, 1 third, 9 other | 19 Apr | 21.4% |
| Roscommon Sharp |
5 | 2 wins, 3 other | 31 Aug | 40% |
| Naas Galloping |
2 | 2 other | 22 Mar | 0% |
| Navan Galloping |
2 | 2 other | 4 Oct | 0% |
| Leopardstown Galloping |
1 | 1 second | 10 Apr | 0% |
| Galway Tight |
1 | 1 third | 8 Sep | 0% |
| Limerick Galloping |
1 | 1 other | 25 Apr | 0% |