J A Stack
J A Stack is a horse trainer based in Golden, Co. Tipperary, specialising in Flat racing. From 1554 career runners, he has saddled 159 winners, at a 10.2% strike rate. He has earned £4.4M in prize money. He currently has 274 horses in his stable. His strongest record is at Gowran Park (IRE) (5w from 11r).
Career Statistics
Win Rate
10.2%
Total Wins
159
Total Runs
1,554
Active Horses
274
Prize Money
£4.4M
Recent Form
Season Performance
Win Rate % · Prize Money (£k) · Runs
- Runs
- Prize £k
- Win Rate %
Recent Results
Last 20 runners| Date | Horse | Course | Race | Pos | Jockey | SP | Prize £ |
|---|---|---|---|---|---|---|---|
| 04 Oct | Thesecretadversary (IRE) | Longchamp (FR) | Qatar Prix de la Foret (Group 1) | 6 | C. Soumillon | 9/4F | £0 |
| 26 Sept | Cardiff By The Sea (IRE) | Curragh (IRE) | Kwiff Supercharged Joe McGrath Handicap | 2 | Julian Pietropaolo | 18/1 | £10k |
| 22 Sept | Bay Colony (IRE) | Listowel (IRE) | Edmund & Josie Whelan Memorial Listowel Stakes (Listed) | 4 | Ben Coen | 33/1 | £2.5k |
| 30 Aug | Cardiff By The Sea (IRE) | Cork (IRE) | Irish Stallion Farms EBF Abergwaun Stakes (Listed) | 5 | Seamie Heffernan | 22/1 | £1.5k |
| 16 Aug | Thesecretadversary (IRE) | Deauville (FR) | The Aga Khan Studs Prix Jacques Le Marois (group 1) | 6 | Christophe Soumillon | 6/1 | £0 |
| 09 Aug | Bodhi Bear (IRE) | Curragh (IRE) | FBD Hotels And Resorts Phoenix Sprint Stakes (Group 3) | 4 | Colin Keane | 18/1 | £3.5k |
| 18 Jul | Bodhi Bear (IRE) | Curragh (IRE) | Liverpool FC Foundation Scurry Handicap | 18 | Colin Keane | 17/2 | £0 |
| 04 Jul | Cardiff By The Sea (IRE) | Naas (IRE) | Irish Stallion Farms EBF Race | 5 | Gavin Ryan | 14/1 | £418 |
| 28 Jun | Bodhi Bear (IRE) | Curragh (IRE) | Jebel Ali Racecourse & Stables Dash Stakes (Listed) | 3 | Seamie Heffernan | 4/1 | £8.9k |
| 20 Jun | Thesecretadversary (IRE) | Ascot | Jersey Stakes (Group 3) | 1 | Seamie Heffernan | 20/1 | £99.2k |
| 20 Jun | Cardiff By The Sea (IRE) | Ayr | Unite George Ramsay Celebration EBF Land O'Burns Fillies' Stakes (Filles' And Mares' Listed) | 7 | Andrew Slattery | 25/1 | £0 |
| 07 Jun | Bodhi Bear (IRE) | Navan (IRE) | Navan Racing Festival Early Bird Tickets On Sale Now Handicap | 1 | Seamie Heffernan | 100/30F | £14.7k |
| 23 May | Thesecretadversary (IRE) | Curragh (IRE) | Tattersalls Irish 2,000 Guineas (Group 1) | 6 | Seamie Heffernan | 14/1 | £5k |
| 23 May | Bodhi Bear (IRE) | Curragh (IRE) | Irish Stallion Farms European Breeders Fund Habitat Handicap (Premier Handicap) | 5 | Seamie Heffernan | 10/1 | £950 |
| 05 May | Bay Colony (IRE) | Gowran Park (IRE) | Irish Stallion Farms EBF Vintage Tipple Stakes (Fillies' and Mares' Listed) | 9 | Seamie Heffernan | 22/1 | £0 |
| 02 May | Thesecretadversary (IRE) | Newmarket | Betfred 2000 Guineas Stakes (Group 1) | 5 | Seamie Heffernan | 20/1 | £14.1k |
| 27 Apr | Cardiff By The Sea (IRE) | Naas (IRE) | Anglesey Lodge Equine Hospital Woodlands Stakes (Listed) | 14 | Andrew Slattery | 22/1 | £0 |
| 27 Apr | Bodhi Bear (IRE) | Naas (IRE) | Anglesey Lodge Equine Hospital Woodlands Stakes (Listed) | 8 | Seamie Heffernan | 10/1 | £0 |
| 22 Apr | Varshini (IRE) | Gowran Park (IRE) | Irish Stallion Farms EBF Fillies Handicap | 10 | Seamie Heffernan | 13/2 | £0 |
| 12 Apr | Thesecretadversary (IRE) | Leopardstown (IRE) | Ballylinch Stud Red Rocks Stakes (Group 3) (Colts & Geldings) | 1 | Seamie Heffernan | 6/1 | £41.2k |
Strike Rate by Course & Distance
Win % by course (rows) and distance band (columns). Min 1 run to show a cell.
| Course | 5f | 6f | 7f | 1m | 1m2f | 1m4f+ |
|---|---|---|---|---|---|---|
| Curragh (IRE) | 14% | 9% | 17% | 10% | 0% | 0% |
| Naas (IRE) | 16% | 18% | 27% | 0% | 0% | 0% |
| Cork (IRE) | 26% | 31% | 20% | 40% | 0% | 0% |
| Dundalk (AW) (IRE) | 24% | 22% | 33% | 50% | — | 0% |
| Leopardstown (IRE) | — | 0% | 8% | 14% | 0% | 0% |
| Navan (IRE) | 63% | 15% | — | 0% | 100% | — |
| Tipperary (IRE) | 21% | — | 22% | — | 100% | — |
| Listowel (IRE) | — | 0% | — | 14% | 20% | 0% |
Going Performance
Based on the 532 most recent results stored in our database for this trainer.
Distance Performance
Based on the 532 most recent results stored in our database for this trainer.
Course Specialists
Where this trainer wins most often (minimum 3 runners at a track).
Class Performance
Win rates by race class (1–7).
Seasonality
Monthly win rate across stored results.
Jockey Partnerships
Most successful retained jockeys (minimum 3 rides).
Owner Partnerships
Top owners sending horses to this trainer (minimum 2 runners).
Surface Split
Turf vs All-Weather strike rates.
Turf
Runs
488
Wins
81
Win Rate
17%
AW
Runs
44
Wins
10
Win Rate
23%
Flat vs Jumps
Separate stats for each racing code.
Runs
532
Wins
91
Win %
17%
Place %
41%
Top Horses
Star horses ranked by career wins, then total prize money earned.
Biggest Wins
Most valuable victories from stored results.
Jersey Stakes (Group 3)
Thesecretadversary (IRE) · Ascot · 20 Jun 2026
William Hill Ayr Gold Cup (Heritage Handicap)
Son Of Rest (GB) · Ayr · 22 Sept 2018
Tote Irish Lincolnshire (Premier Handicap)
Onenightidreamed (IRE) · Curragh (IRE) · 29 Mar 2015
Tally-Ho Stud Irish EBF Ballyogan Stakes (Fillies' And Mares' Group 3)
Shandy (IRE) · Naas (IRE) · 25 Aug 2024
Nua Healthcare Irish Lincolnshire (Premier Handicap)
Chazzesmee (IRE) · Curragh (IRE) · 18 Mar 2024
Airlie Stud Stakes (Fillies Group 2)
Aloha Star (IRE) · Curragh (IRE) · 19 Jul 2020
Ballylinch Stud Red Rocks Stakes (Group 3) (Colts & Geldings)
Thesecretadversary (IRE) · Leopardstown (IRE) · 12 Apr 2026
Ard Glen Amethyst Stakes (group 3)
Onenightidreamed (IRE) · Leopardstown (IRE) · 10 May 2015
Coolmore Stud Irish EBF Fillies Sprint Stakes (Group 3)
Hermana Estrella (IRE) · Naas (IRE) · 16 May 2021
C.L. & M.F. Weld Park Stakes (Fillies' Group 3)
Ellthea (IRE) · Naas (IRE) · 24 Sept 2017
Market Performance
Starting prices of winners — average, extremes, and distribution.
Avg Winner SP
9.0/1
Shortest Winner
0.4/1
Biggest Winner
50/1
Winner SP Distribution
Age Performance
Win rates by horse age, based on the current stable roster.
Active Stable Roster — Top 50 by rating
Discussion
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