J A Stack
Trainer record & statistics — 2017-03-26 to 2026-06-04, from a decade of UK & Irish racing data.
-13.1%
Level-stake ROI (SP)
Over this period J A Stack has won 148 of 1502 races (a 9.9% strike rate, an actual/expected ratio of 0.82 versus the market). Below is the full breakdown by course, going and recent form.
Record by course
| Course | Runs | Wins | SR |
|---|
| 333 | 23 | 6.9% |
| 238 | 25 | 10.5% |
| 154 | 19 | 12.3% |
| 122 | 16 | 13.1% |
| 104 | 6 | 5.8% |
| 80 | 11 | 13.8% |
| 75 | 7 | 9.3% |
| 74 | 9 | 12.2% |
| 57 | 8 | 14.0% |
| 47 | 4 | 8.5% |
| 38 | 5 | 13.2% |
| 38 | 1 | 2.6% |
| 32 | 3 | 9.4% |
| 16 | 0 | 0.0% |
| 15 | 1 | 6.7% |
Record by going
| Going | Runs | Wins | SR |
|---|
| 554 | 44 | 7.9% |
| 403 | 41 | 10.2% |
| 239 | 26 | 10.9% |
| 164 | 30 | 18.3% |
| 135 | 5 | 3.7% |
Most successful horses
| Horse | Runs | Wins | SR |
|---|
| 13 | 4 | 30.8% |
| 11 | 4 | 36.4% |
| 18 | 3 | 16.7% |
| 18 | 3 | 16.7% |
| 15 | 3 | 20.0% |
| 14 | 3 | 21.4% |
| 12 | 3 | 25.0% |
| 11 | 3 | 27.3% |
| 8 | 3 | 37.5% |
| 24 | 2 | 8.3% |
| 20 | 2 | 10.0% |
| 18 | 2 | 11.1% |
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Recent runs
| Date | Course | Horse | Finish | SP |
|---|
| 2026-06-04 | Leopardstown | Honey Deuce (FR) | 6 | 15.0 |
| 2026-06-03 | Curragh | Focaccia (IRE) | 11 | 21.0 |
| 2026-06-01 | Gowran Park | Believeth (IRE) | 11 | 19.0 |
| 2026-05-31 | Listowel | Exchange Student (IRE) | 7 | 9.5 |
| 2026-05-26 | Dundalk (AW) | Focaccia (IRE) | 2 | 17.0 |
| 2026-05-24 | Curragh | Pala Aurelia (IRE) | 8 | 81.0 |
| 2026-05-23 | Curragh | Bodhi Bear (IRE) | 5 | 11.0 |
| 2026-05-23 | Curragh | Thesecretadversary (IRE) | 6 | 15.0 |
| 2026-05-19 | Cork | De Vega Queen (IRE) | 4 | 21.0 |
| 2026-05-17 | Naas | Solana Beach (IRE) | 4 | 7.0 |
| 2026-05-17 | Naas | Pala Aurelia (IRE) | 5 | 15.0 |
| 2026-05-16 | Navan | Grande Cuvee (IRE) | 3 | 6.0 |
| 2026-05-15 | Leopardstown | Nola Soul (USA) | 1 | 8.5 |
| 2026-05-12 | Killarney | Dark Leader (IRE) | 6 | 11.0 |
| 2026-05-10 | Leopardstown | Valentino Eclipse (IRE) | 2 | 3.2 |
| 2026-05-05 | Gowran Park | Bay Colony (IRE) | 9 | 23.0 |
| 2026-05-04 | Curragh | Saint Agatha (IRE) | 11 | 9.0 |
| 2026-05-03 | Cork | Samurai Mike (GB) | 1 | 11.0 |
| 2026-05-02 | Newmarket | Thesecretadversary (IRE) | 5 | 21.0 |
| 2026-04-27 | Naas | Cardiff By The Sea (IRE) | 14 | 23.0 |
Data: official UK & Irish results, 2017-03-26–2026-06-04. Strike rate and ROI are historical and not a guarantee of future results. 18+ · BeGambleAware.