What makes Perry Mason genuinely interesting is his obvious love of wet, muddy ground. On those conditions, he wins at a startling rate: 2 wins from 4 races, or 50 percent. That is not luck—that is a horse with a clear preference, and Maurice Andrew Ahern's Mallow yard in Cork has clearly identified and worked with it. It also explains why The Curragh has become his playground. He has won 3 of his 8 races there, including his career debut on 21 October 2025 and most recently on 23 May this year, four months ago. When Perry Mason turns up at that track, the yard and his regular jockey Julian Pietropaolo know what they are working with.
Pietropaolo, who rides him whenever possible, has a 40 percent win rate aboard—2 wins from 5 races—which is well above what Perry Mason does in general. That partnership matters. The real weakness shows when he steps up in class: he has never won in the better races, going 0 from 4, which confirms that while he is a useful horse, he operates best in smaller, everyday contests where his ground preference and course knowledge give him an edge. His recent form has been mixed—he was placed two of his last six races but also finished 15th just a day ago—yet he remains active and competitive, a proper working racehorse doing his job without drama or pretension.
| Course | Races | Results | Last run | Win rate |
|---|---|---|---|---|
| The Curragh Galloping |
8 | 3 wins, 1 second, 4 other | 13 Sep | 37.5% |
| chelmsford | 2 | 2 other | 1 Jul | 0% |
| Cork Galloping |
2 | 1 third, 1 other | 3 May | 0% |
| Galway Tight |
1 | 1 win | 27 Oct | 100% |
| Doncaster Galloping |
1 | 1 other | 3 May | 0% |
| York Galloping |
1 | 1 other | 13 Jun | 0% |
| Down Royal Galloping |
1 | 1 other | 29 Sep | 0% |
| Newmarket Galloping |
1 | 1 other | 16 Apr | 0% |