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Home / Free Data / Trainer / J A Stack

Trainer profile

J A Stack

Base: Golden, Co. Tipperary
Region: IRE

Flat 2026 (GB & IRE): 13 wins from 118 runs (11%)
Prize money Flat 2026 (GB & IRE): £184,253 GB · €319,496 IRE
Last 14 days (GB & IRE): 0 wins from 4 runs (0%)
Last winner (GB & IRE): 17 days ago: Saint Agatha (IRE), Cork (IRE)
Career (GB & IRE since 2017): 162 wins from 1,610 runs (10%)

Next entry · 17 Oct · 14:32 Leopardstown · Irish EBF (C & G) Maiden

Stats

Flat · by race type


Flat Turf non-handicap	414	43	10.4%	85	£249,206	€1,066,559
Flat Turf handicap	162	18	11.1%	35	£15,407	€528,909
Flat AW non-handicap	39	3	7.7%	7	£0	€37,343
Flat AW handicap	21	2	9.5%	7	£0	€26,365

Flat seasons 2022 to date, GB and IRE.

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Flat · by course


Curragh (IRE)	175	15	8.6%	28	€649,063
Naas (IRE)	81	8	9.9%	22	€326,041
Cork (IRE)	65	9	13.8%	14	€118,682
Dundalk (AW) (IRE)	58	5	8.6%	13	€60,708
Gowran Park (IRE)	39	6	15.4%	7	€82,896

Flat seasons 2022 to date, GB and IRE.

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Flat · by month


January	8	1	12.5%	3	£0	€10,875
February	5	0	0.0%	1	£0	€1,740
March	39	5	12.8%	7	£4,530	€140,145
April	76	14	18.4%	18	£0	€249,177
May	112	10	8.9%	25	£14,123	€248,196

Flat seasons 2022 to date, GB and IRE.

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Flat · by distance


5f to 6f	270	34	12.6%	60	£49,899	€812,087
7f to 1m	249	25	10.0%	53	£214,714	€710,343
9f to 11f	79	5	6.3%	13	£0	€97,909
12f to 13f	27	2	7.4%	6	£0	€27,957
14f and over	11	0	0.0%	2	£0	€10,880

Flat seasons 2022 to date, GB and IRE.

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Flat · by going


Heavy	79	15	19.0%	21	£0	€287,683
Soft	105	13	12.4%	25	£15,407	€290,830
Good to Soft / Yielding	139	14	10.1%	33	£18,776	€482,665
Good	227	17	7.5%	38	£7,494	€525,284
Good to Firm / Firm	26	2	7.7%	3	£222,937	€9,006

Flat seasons 2022 to date, GB and IRE.

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Flat · by class


Group 1	12	0	0.0%	0	£14,123	€22,001
Group 2	10	0	0.0%	0	£8,040	€18,500
Group 3	28	4	14.3%	6	£120,212	€201,506
Listed	63	6	9.5%	11	£104,551	€215,298
Class 2	6	0	0.0%	1	£15,407	€0

Flat seasons 2022 to date, GB and IRE.

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Flat · by horse age


2yo	167	16	9.6%	36	£125,828	€445,964
3yo	363	39	10.7%	76	£123,378	€884,704
4yo	70	5	7.1%	14	£10,877	€164,889
5yo	26	5	19.2%	5	£0	€94,360
6yo	5	1	20.0%	1	£4,530	€64,499

Flat seasons 2022 to date, GB and IRE.

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Flat · by field size


2 to 5 runners	15	1	6.7%	7	£2,282	€44,174
6 to 8 runners	102	18	17.6%	25	£5,380	€360,518
9 to 12 runners	214	20	9.3%	53	£41,624	€614,173
13 to 16 runners	212	19	9.0%	35	£202,123	€337,194
17+ runners	93	8	8.6%	14	£13,205	€303,117

Flat seasons 2022 to date, GB and IRE.

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Flat · by days since last run


Debut	104	7	6.7%	22	£0	€148,519
1 to 14 days	94	11	11.7%	29	£22,401	€261,244
15 to 30 days	197	24	12.2%	40	£138,155	€549,742
31 to 60 days	132	9	6.8%	22	£104,057	€314,441
61 to 120 days	36	5	13.9%	4	£0	€115,756

Flat seasons 2022 to date, GB and IRE.

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Flat · by first-time headgear


First time headgear	52	2	3.8%	14	£5,380	€53,589
Headgear (worn before)	85	14	16.5%	17	£6,010	€314,169
No headgear	499	50	10.0%	103	£253,223	€1,291,418

Flat seasons 2022 to date, GB and IRE.

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Flat · by jockey (top 20)


J M Sheridan	149	16	10.7%	37	£23,306	€427,399
Seamie Heffernan	146	21	14.4%	29	£210,184	€487,090
Andrew Slattery	114	9	7.9%	16	£635	€220,441
Mark Enright	78	9	11.5%	17	£1,480	€150,870
Danny Gilligan	22	1	4.5%	7	£0	€41,290

Flat seasons 2022 to date, GB and IRE.

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Flat · by owner (top 20)


Coolmore	46	5	10.9%	11	£40,054	€132,165
J A Stack	34	3	8.8%	5	£0	€50,230
Craig Bernick	27	4	14.8%	3	£70,888	€91,083
Mrs T Stack	26	5	19.2%	4	£4,530	€119,385
Mrs Paul Shanahan & Cayton Park Stud & Craig Bernick	23	2	8.7%	7	£635	€67,010

Flat seasons 2022 to date, GB and IRE.

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Record by season (last 10)


2026	Flat	118	13	11.0%	21	£184,253	€319,496	10/32	6	112
2025	Flat	104	14	13.5%	14	£39,352	€258,485	12/31	7	97
2024	Flat	131	13	9.9%	32	£36,376	€393,050	12/33	4	127
2023	Flat	124	17	13.7%	36	£2,519	€432,595	13/36	1	123
2022	Flat	159	9	5.7%	31	£2,114	€255,550	8/44	5	154

GB and IRE. Flat seasons are calendar years; jumps seasons follow the official British and Irish dates. Current season is to date.

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Matched or beat their market rank


Last 14 days	4	1	25.0%
Flat 2026	118	64	54.2%

Results-only market proxy: share of runners that finished in the same place as, or better than, their SP rank (favourite = 1). Not a ratings-based running-to-form figure. Season figure refreshed nightly.

Quick answers

Where is J A Stack based?: J A Stack is a racehorse trainer based in Golden, Co. Tipperary, Ireland.
How many winners has J A Stack had this season?: In the 2026 Flat season, J A Stack has trained 13 winners from 118 runners in Britain and Ireland (11%).
How much prize money has J A Stack won this season?: J A Stack's runners have won £184,253 in Britain and €319,496 in Ireland in the 2026 Flat season.
How many winners has J A Stack trained in total?: J A Stack has trained 162 winners from 1,610 runners in Britain and Ireland since 2017 (10%). Runners abroad are not included.
How much prize money has J A Stack won in total?: J A Stack's runners have earned £496,251 in Britain and €3,818,722 in Ireland since 2017. Runners abroad are not included.
What are J A Stack's biggest wins?: J A Stack has won 23 Group, Grade or Listed races in Britain and Ireland in the last 10 years, the highest level being Group 2, most recently with Aloha Star (IRE) in the Airlie Stud Stakes (Group 2) at Curragh (IRE) on 19 July 2020.
Who has been J A Stack's most successful horse in the last 12 months?: J A Stack's most successful horses in Britain and Ireland over the last 12 months are Thesecretadversary (IRE), Nola Soul (USA) and Bodhi Bear (IRE), with 2 wins each.
Where does J A Stack have the most winners?: Curragh (IRE) is J A Stack's most successful course on the Flat since the start of 2022, with 15 winners from 175 runners (9%).
Does J A Stack have any runners coming up?: J A Stack has 6 runners entered or declared in the next 7 days, starting with Saxonian in the 14:32 at Leopardstown on 17 October 2026.
When did J A Stack last have a winner?: J A Stack's most recent winner in Britain or Ireland was Saint Agatha (IRE) at Cork (IRE) on 29 September 2026.

Updated 2026-10-10

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Updated 2026-10-10

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