A P O'Brien

Cashel, Co Tipperary · GB

Flat

Career Overview

A P O'Brien is a horse trainer based in Cashel, Co Tipperary, specialising in Flat racing. From 14176 career runners, he has saddled 2799 winners, at a 19.7% strike rate. He has earned £289.4M in prize money. He currently has 2021 horses in his stable. His strongest record is at Chester (6w from 6r).

AI summary — career highlights, form & what to expect

Career Statistics

Win Rate

19.7%

Total Wins

2,799

Total Runs

14,176

Active Horses

2,021

Prize Money

£289.4M

Upcoming Entries

29 entries

Date	Time	Course	Race	Horse	Jockey	Dist	Going	Field
2026-10-18	2:12	Leopardstown	Leopardstown Golf, Padel And Range Maiden	King Of Sparta	W. M. Lordan	9.0f	Good	15
2026-10-18	2:42	Leopardstown	Bahrain Turf Club Knockaire Stakes (Listed)	Lewis Carroll	W. M. Lordan	8.5f	Good	7
2026-10-18	3:42	Leopardstown	Trigo Stakes (Listed)	Come What May	W. M. Lordan	10.0f	Good	11
2026-10-18	3:42	Leopardstown	Trigo Stakes (Listed)	Moments of Joy	Gavin Ryan	10.0f	Good	11
2026-10-18	5:12	Leopardstown	Watch Every Irish Race Live On Racing TV Handicap	Purely	W. M. Lordan	7.0f	Good	17
2026-10-19	2:40	Gowran Park	Irish Stallion Farms EBF Maiden	Conclusive	Gavin Ryan	8.5f	Yielding To Soft	14
2026-10-19	2:40	Gowran Park	Irish Stallion Farms EBF Maiden	Heart Of Fire	Paddy Harnett(3)	8.5f	Yielding To Soft	14
2026-10-19	2:40	Gowran Park	Irish Stallion Farms EBF Maiden	Paraguay	Jack Cleary(5)	8.5f	Yielding To Soft	14
2026-10-23	7:15	Dundalk (AW)	BAR 1 Betting Mercury Stakes (Group 3)	Brussels	—	5.0f	Standard	26
2026-10-23	7:15	Dundalk (AW)	BAR 1 Betting Mercury Stakes (Group 3)	Institute	—	5.0f	Standard	26
2026-10-23	7:15	Dundalk (AW)	BAR 1 Betting Mercury Stakes (Group 3)	Carry The Flag	—	5.0f	Standard	26
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Aachen	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Aix La Chapelle	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Albany County	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Capability Brown	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Choctaw Nation	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Drumbeat	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Giant Sequoia	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Haffner	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Kingdom Of Camelot	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Magna Cum Laude	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Man's Best Friend	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Noble Exhibit	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Raging Bull	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Sergei Diaghilev	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Shakespeare	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Wall Street	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Darkness Falls	—	8.0f	Good To Soft	32
2026-10-24	1:30	Doncaster	William Hill Futurity Trophy Stakes (Group 1)	Oklahoma	—	8.0f	Good To Soft	32

Recent Form

Season Performance

Win Rate % · Prize Money (£k) · Runs

22 seasons

Runs
Prize £k
Win Rate %

Recent Results

Last 20 runners

Date	Horse	Course	Race	Pos	Jockey	SP	Prize £
17 Oct	Minnie Hauk (IRE)	Ascot	Qatar Racing British Champions Fillies & Mares Stakes (Group 1)	1	Ryan Moore	5/1	£283.6k
04 Oct	Minnie Hauk (IRE)	Longchamp (FR)	Qatar Prix de l'Arc de Triomphe (Group 1)	10	William Buick	18/1	£0
13 Sept	Jan Brueghel (IRE)	Curragh (IRE)	Comer Group International Irish St. Leger	3	Ronan Whelan	6/1	£50k
20 Aug	Minnie Hauk (IRE)	York	Legends Global Yorkshire Oaks (Group 1)	3	Ryan Moore	4/1	£64.6k
25 Jul	Minnie Hauk (IRE)	Ascot	King George Vi And Queen Elizabeth Stakes (Group 1)	8	Wayne Lordan	17/2	£0
20 Jun	Jan Brueghel (IRE)	Ascot	Hardwicke Stakes (Group 2)	4	Ryan Moore	6/1	£13.4k
17 Jun	Minnie Hauk (IRE)	Ascot	Prince Of Wales's Stakes (Group 1)	2	Ryan Moore	15/2	£215k
06 Jun	Jan Brueghel (IRE)	Epsom	Coolmore Coronation Cup (Group 1)	2	Ryan Moore	9/4	£213.3k
24 May	Minnie Hauk (IRE)	Curragh (IRE)	Tattersalls Gold Cup (Group 1)	5	Ryan Moore	4/6F	£9.5k
07 May	Jan Brueghel (IRE)	Chester	Ladbrokes Ormonde Stakes (Group 3)	1	Ryan Moore	4/7F	£85.1k
04 May	Minnie Hauk (IRE)	Curragh (IRE)	Clem Murphy Memorial Irish European Breeders Fund Mooresbridge Stakes (Group 2)	1	Ryan Moore	4/6F	£76.6k
14 Dec	Los Angeles (IRE)	Sha Tin (HK)	Longines Hong Kong Vase (3yo+) (Course A) (Turf)	5	Ryan Moore	11/1	£93.6k
01 Nov	Minnie Hauk (IRE)	Del Mar (USA)	Longines Breeders' Cup Turf (3yo+) (Turf)	6	Christophe Soumillon	6/4F	£80k
18 Oct	Delacroix (IRE)	Ascot	Qipco Champion Stakes (Group 1)	4	Christophe Soumillon	11/2	£76k
05 Oct	Minnie Hauk (IRE)	Longchamp (FR)	Qatar Prix de l'Arc de Triomphe (3yo+ No Geldings) (Grande Course) (Turf)	2	Christophe Soumillon	5/2F	£944.6k
05 Oct	Los Angeles (IRE)	Longchamp (FR)	Qatar Prix de l'Arc de Triomphe (3yo+ No Geldings) (Grande Course) (Turf)	17	Wayne Lordan	44/1	£0
13 Sept	Delacroix (IRE)	Leopardstown (IRE)	Royal Bahrain Irish Champion Stakes (Group 1)	1	Christophe Soumillon	2/1F	£712.5k
07 Sept	Los Angeles (IRE)	Longchamp (FR)	Qatar Prix Foy (4yo+) (Grande Course) (Turf)	4	Christophe Soumillon	42/10	£6.9k
21 Aug	Minnie Hauk (IRE)	York	Pertemps Network Yorkshire Oaks (Fillies' And Mares' Group 1)	1	Ryan Moore	8/15F	£340.3k
20 Aug	Delacroix (IRE)	York	Juddmonte International Stakes (Group 1)	2	Ryan Moore	9/4	£283.7k

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)	100%	63%	62%	61%	61%	46%
Ascot	100%	33%	67%	33%	20%	41%
Leopardstown (IRE)	—	100%	53%	50%	50%	53%
Longchamp (FR)	—	—	0%	38%	33%	19%
Newmarket	0%	67%	83%	40%	0%	—
York	0%	—	0%	0%	37%	63%
Epsom	—	—	—	—	—	55%
Dundalk (AW) (IRE)	100%	—	0%	—	—	33%

Going Performance

Based on the 772 most recent results stored in our database for this trainer.

Good

115W / 254R45%

Good To Firm

85W / 171R50%

Soft

32W / 72R44%

Good To Soft

25W / 63R40%

Yielding

19W / 44R43%

Good To Yielding

21W / 37R57%

Standard

10W / 27R37%

Heavy

11W / 26R42%

Firm

8W / 20R40%

Yielding To Soft

9W / 18R50%

Soft To Heavy

5W / 16R31%

Very Soft

4W / 12R33%

Fast

0W / 12R0%

Distance Performance

Based on the 772 most recent results stored in our database for this trainer.

Sprint

79W / 138R57%

Mile

153W / 338R45%

Middle

99W / 256R39%

Staying

13W / 40R33%

Course Specialists

Where this trainer wins most often (minimum 3 runners at a track).

#1Chester

6W / 6R100%

#2Goodwood

12W / 15R80%

#3Listowel (IRE)

4W / 5R80%

#4Caulfield (AUS)

3W / 4R75%

#5Doncaster

8W / 12R67%

#6Saint-Cloud (FR)

2W / 3R67%

#7Arlington Park (USA)

2W / 3R67%

#8Fairyhouse (IRE)

2W / 3R67%

#9Navan (IRE)

10W / 16R63%

#10Naas (IRE)

10W / 16R63%

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).

#1Ryan Moore

134W / 286R47%

#2Joseph O'Brien

46W / 106R43%

#3Seamie Heffernan

41W / 71R58%

#4Johnny Murtagh

38W / 68R56%

#5Kieren Fallon

17W / 35R49%

#6Donnacha O'Brien

13W / 27R48%

#7Jamie Spencer

8W / 16R50%

#8Christophe Soumillon

6W / 13R46%

#9Robbie Power

6W / 21R29%

#10Steven Arnold

5W / 6R83%

Owner Partnerships

Top owners sending horses to this trainer (minimum 2 runners).

#1Derrick Smith Mrs John Magnier Michael Tabor

91W / 200R46%

#2Michael Tabor Derrick Smith Mrs John Magnier

31W / 75R41%

#3Derrick Smith

28W / 35R80%

#4Mrs John Magnier Michael Tabor Derrick Smith

26W / 53R49%

#5Mrs John Magnier

25W / 44R57%

#6Westerberg Mrs J Magnier M Tabor D Smith

19W / 42R45%

#7Moyglaremagniertaborsmithwesterberg

13W / 15R87%

#8John P Mcmanus

9W / 49R18%

#9Mrs John Magnier Mrs David Nagle

8W / 10R80%

#10M Tabor D Smith Mrs J Magnier Westerberg

8W / 16R50%

Surface Split

Turf vs All-Weather strike rates.

Turf

Runs

734

Wins

335

Win Rate

46%

Dirt

Runs

Wins

Win Rate

AW

Runs

Wins

Win Rate

35%

Flat vs Jumps

Separate stats for each racing code.

Flat

Runs

722

Wins

335

Win %

46%

Place %

71%

Jumps

Runs

Wins

Win %

18%

Place %

44%

Top Horses

Star horses ranked by career wins, then total prize money earned.

#1Kyprios (IRE) (IRE)

17W / 21R£2.8M

#2Fame And Glory (GB) (GB)

14W / 25R£2.4M

#3So You Think (NZ) (NZ)

13W / 21R£5.1M

#4Order Of St George (IRE) (IRE)

13W / 25R£2.1M

#5Magical (IRE) (IRE)

12W / 28R£5.1M

#6Yeats (IRE) (IRE)

12W / 23R£1.3M

#7Highland Reel (IRE) (IRE)

10W / 27R£7.5M

#8Dylan Thomas (IRE) (IRE)

10W / 20R£4.1M

#9St Nicholas Abbey (IRE) (IRE)

9W / 21R£5M

#10Cape Blanco (IRE) (IRE)

9W / 15R£2.7M

Biggest Wins

Most valuable victories from stored results.

Qatar Prix de l'Arc de Triomphe (3yo+ No Geldings) (Turf)

Found (IRE) · Chantilly (FR) · 2 Oct 2016

£2.1M

Dubai Sheema Classic Presented By Longines (Turf)

St Nicholas Abbey (IRE) · Meydan (UAE) · 30 Mar 2013

£1.8M

Longines Breeders' Cup Turf (3yo+) (Hillside Course) (Turf)

Auguste Rodin (IRE) · Santa Anita (USA) · 4 Nov 2023

£1.7M

Longines Breeders' Cup Turf (3yo+) (Turf)

Highland Reel (IRE) · Santa Anita (USA) · 5 Nov 2016

£1.5M

Longines Hong Kong Vase (3yo+) (Course A) (Turf)

Highland Reel (IRE) · Sha Tin (HK) · 10 Dec 2017

£1.1M

Longines Breeders' Cup Turf (3yo+) (Turf)

Found (IRE) · Keeneland (USA) · 31 Oct 2015

£1.1M

Emirates Airline Breeders' Cup Turf (3yo+) (Turf)

St Nicholas Abbey (IRE) · Churchill Downs (USA) · 5 Nov 2011

£1M

Tatts W S Cox Plate (3yo+) (Turf)

So You Think (NZ) · Moonee Valley (AUS) · 23 Oct 2010

£1M

Breeders' Cup Turf (3yo+) (Turf)

Magician (IRE) · Santa Anita (USA) · 2 Nov 2013

£1M

#10

Tatts Cox Plate

So You Think (NZ) · Moonee Valley (AUS) · 24 Oct 2009

£898.1k

Market Performance

Starting prices of winners — average, extremes, and distribution.

Avg Winner SP

3.1/1

Shortest Winner

0.1/1

Biggest Winner

16/1

Winner SP Distribution

Evens–2/1

232

2/1–4/1

4/1–8/1

8/1–16/1

16/1+

Age Performance

Win rates by horse age, based on the current stable roster.

Active Stable Roster — Top 50 by rating

Horse	Form	OR	Wins	Runs	Prize £	Type
Shield (IRE) (IRE)	—	132	5	29	£56.8k	Jumps
Rip Van Winkle (IRE) (IRE)	—	130	5	14	£1.2M	Flat
Fame And Glory (GB) (GB)	—	129	14	25	£2.4M	Flat
So You Think (NZ) (NZ)	—	127	13	21	£5.1M	Flat
St Mark's Basilica (FR) (FR)	—	127	6	9	£2.3M	Flat
Australia (GB) (GB)	—	127	5	8	£2.3M	Flat
Dylan Thomas (IRE) (IRE)	—	127	10	20	£4.1M	Flat
Mastercraftsman (IRE) (IRE)	—	127	7	12	£1.1M	Flat
Excelebration (IRE) (IRE)	—	126	8	15	£1.7M	Flat
Jan Brueghel (IRE) (IRE)	—	126	6	10	£1.3M	Flat
Cape Blanco (IRE) (IRE)	—	126	9	15	£2.7M	Flat
Delacroix (IRE) (IRE)	—	126	6	12	£1.9M	Flat
Auguste Rodin (IRE) (IRE)	—	125	8	16	£5.2M	Flat
City Of Troy (USA) (USA)	—	125	6	8	£2.4M	Flat
Waver (IRE) (IRE)	—	125	4	29	£41.3k	Flat
Paddington (GB) (GB)	—	125	7	10	£1.8M	Flat
St Nicholas Abbey (IRE) (IRE)	—	124	9	21	£5M	Flat
Order Of St George (IRE) (IRE)	—	124	13	25	£2.1M	Flat
Air Force Blue (USA) (USA)	—	124	4	9	£640.8k	Flat
Camelot (GB) (GB)	—	124	6	10	£2.1M	Flat
Magician (IRE) (IRE)	—	124	5	14	£1.6M	Flat
George Washington (IRE) (IRE)	—	124	6	13	£960k	Flat
Little Big Bear (IRE) (IRE)	—	124	5	9	£481.4k	Flat
Egyptian Warrior (IRE) (IRE)	—	123	4	22	£42.1k	Flat
Minnie Hauk (IRE) (IRE)	—	123	6	11	£2.4M	Flat
Magical (IRE) (IRE)	—	123	12	28	£5.1M	Flat
Highland Reel (IRE) (IRE)	—	123	10	27	£7.5M	Flat
Los Angeles (IRE) (IRE)	—	123	7	16	£2.3M	Flat
Luxembourg (IRE) (IRE)	—	123	7	20	£3M	Flat
Noah Webster (IRE) (IRE)	—	123	2	19	£21.6k	Jumps
Churchill (IRE) (IRE)	—	123	7	13	£1.5M	Flat
Found (IRE) (IRE)	—	123	6	21	£5.2M	Flat
Gleneagles (IRE) (IRE)	—	122	7	11	£1.2M	Flat
Ten Sovereigns (IRE) (IRE)	—	122	4	8	£754.7k	Flat
Love (IRE) (IRE)	—	122	7	15	£1.5M	Flat
U S Navy Flag (USA) (USA)	—	122	5	19	£1M	Flat
Caravaggio (USA) (USA)	—	122	7	10	£805.1k	Flat
Tapestry (IRE) (IRE)	—	122	3	12	£403.9k	Flat
Japan (GB) (GB)	—	122	7	22	£2M	Flat
Minding (IRE) (IRE)	—	122	9	13	£2.5M	Flat
Septimus (IRE) (IRE)	—	122	8	14	£660.3k	Flat
Kyprios (IRE) (IRE)	—	122	17	21	£2.8M	Flat
Ruler Of The World (IRE) (IRE)	—	122	4	11	£1.1M	Flat
Yeats (IRE) (IRE)	—	122	12	23	£1.3M	Flat
Le Brivido (FR) (FR)	—	121	3	11	£240.2k	Flat
The Gurkha (IRE) (IRE)	—	121	3	6	£998.4k	Flat
Saxon Warrior (JPN) (JPN)	—	121	4	9	£1.2M	Flat
Declaration Of War (USA) (USA)	—	121	7	13	£1.2M	Flat
Henrythenavigator (USA) (USA)	—	121	6	11	£1.5M	Flat
Oratorio (IRE) (IRE)	—	121	2	8	£930.6k	Flat

Trainer Profile

A P O'Brien

Career Statistics

Upcoming Entries

Recent Form

Season Performance

Recent Results

Strike Rate by Course & Distance

Going Performance

Distance Performance

Course Specialists

Class Performance

Seasonality

Jockey Partnerships

Owner Partnerships

Surface Split

Turf

Dirt

AW

Flat vs Jumps

Top Horses

Biggest Wins

Market Performance

Age Performance

Active Stable Roster — Top 50 by rating

Discussion