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A O'Brien Trainer

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A O'Brien Profile

A O'Brien is a horse trainer based in Hong Kong. A O'Brien has a win strike rate of 20% and a career ROI of -12.

A O'Brien Last 12 Months Racing Form

A O'Brien last 12 months's career form is 8 Starts, wins, 2 seconds, 1 thirds.

A O'Brien has average win odds of 3 and an ROI of -100% over the last 12 months.

A O'Brien Current Season Racing Form

A O'Brien current season form is Starts, wins, seconds, thirds.

A O'Brien has average win odds of 2.79 and an ROI of -100% over the current season.

A O'Brien's overall Stats: Trainer Racing History

	Starts	1^st	2^nd	3^rd	Win %	Place %	Avg Win Odds	ROI
Last 12 Months	8		2	1	%	38%	3.25	-100
Current Season					%	%	2.79	-100

A O'Brien's Results: Trainer Racing History

Here is a list of tracks where A O'Brien has raced in the past 12 months and the current season. The list shows performance by A O'Brien across all tracks.

Past 12 months

Track	Starts	1^st	2^nd	3^rd	W%	P%	Avg Win Odds	ROI
Caulfield	1	-	1	-	-	100%	$6.50	-100%
DUBAI	1	-	-	-	-	-	-	-100%
Flemington	2	-	1	-	-	50%	$4.80	-100%
FR - CHANTILLY	1	-	-	-	-	-	-	-100%
FR - DEAUVILLE	2	-	-	-	-	-	-	-100%
FR - LONGCHAMP	3	-	-	-	-	-	$4.80	-100%
G B - ASCOT	2	-	2	-	-	100%	$7.00	-100%
G B - DONCASTER	1	-	-	-	-	-	-	-100%
G B - EPSOM	1	-	-	-	-	-	-	-100%
G B - GOODWOOD	1	-	-	-	-	-	-	-100%
G B - NEWMARKET	1	-	1	-	-	100%	$5.50	-100%
G B - SANDOWN PARK	1	-	-	-	-	-	-	-100%
G B - YORK	1	-	-	-	-	-	-	-100%
IRE - CURRAGH	2	-	-	-	-	-	$3.25	-100%
IRE - DUNDALK	1	-	1	-	-	100%	-	-100%
IRE - LEOPARDSTOWN	1	-	-	-	-	-	$3.67	-100%
IRE - NAAS	1	-	1	-	-	100%	$2.60	-100%
IRE - NAVAN	1	1	-	-	100%	100%	$1.10	10%
Moonee Valley	1	-	-	-	-	-	$4.20	-100%
Randwick	1	-	-	-	-	-	-	-100%
Rosehill	2	-	-	-	-	-	-	-100%
Sha Tin	2	-	-	-	-	-	$2.60	-100%
U S A - BELMONT PARK	1	-	-	-	-	-	-	-100%
U S A - DEL MAR	1	-	-	1	-	100%	-	-100%
U S A - KEENELAND	3	-	1	-	-	33%	-	-100%
U S A - SANTA ANITA	2	1	-	-	50%	50%	$4.80	140%
U S A - SARATOGA	1	-	-	-	-	-	-	-100%

This season

Track	Starts	1^st	2^nd	3^rd	W%	P%	Avg Win Odds	ROI
Caulfield	1	-	1	-	-	100%	$6.50	-100%
Flemington	2	-	1	-	-	50%	$4.80	-100%
G B - DONCASTER	1	-	-	-	-	-	-	-100%
IRE - LEOPARDSTOWN	1	-	-	-	-	-	$3.67	-100%
Moonee Valley	1	-	-	-	-	-	$4.20	-100%
Randwick	1	-	-	-	-	-	-	-100%
Rosehill	2	-	-	-	-	-	-	-100%
U S A - SANTA ANITA	2	1	-	-	50%	50%	$4.80	140%

Here is a list of the top jockeys who have ridden for A O'Brien along with their stats over the last 12 months and the current season.

Past 12 months

Jockey	Starts	1^st	2^nd	3^rd	W%	P%	Avg Win Odds	ROI
Ryan Moore	2	-	-	-	-	-	$3.25	-100%
J A Heffernan	1	-	-	-	-	-	$2.20	-100%
Donnacha O'Brien	1	-	1	-	-	100%	$1.80	-100%
Colm O'Donoghue	1	-	-	-	-	-	-	-100%
E Mc Namara	1	-	1	-	-	100%	-	-100%
E J MC NAMARA	1	-	-	-	-	-	-	-100%
Katelyn Mallyon	1	-	1	-	-	100%	-	-100%
D Oliver	1	-	-	-	-	-	-	-100%
B Melham	1	-	1	-	-	100%	-	-100%
W M Lordan	3	-	-	-	-	-	$1.22	-100%
P B BEGGY	1	-	-	-	-	-	-	-100%
J P Spencer	1	-	-	-	-	-	-	-100%
D Dunn	1	-	-	-	-	-	-	-100%
J DOYLE	1	1	-	-	100%	100%	$4.00	300%
M Zahra	1	-	-	-	-	-	-	-100%
J B Mc Donald	1	-	-	-	-	-	$6.50	-100%
J Bowman	1	-	-	-	-	-	-	-100%
O Murphy	1	-	1	-	-	100%	-	-100%
K Mc Evoy	1	-	1	-	-	100%	-	-100%
Damian Lane	1	-	-	-	-	-	-	-100%
L F ROCHE	1	-	-	-	-	-	-	-100%
P C BOUDOT	1	-	-	-	-	-	$41.00	-100%
M HUSSEY	1	-	-	-	-	-	-	-100%
M BARZALONA	1	1	-	-	100%	100%	$4.80	380%
L Dettori	1	-	-	-	-	-	-	-100%
I Mendizabal	1	-	-	-	-	-	-	-100%
Y Take	1	-	-	-	-	-	-	-100%
J VELAZQUEZ	1	-	-	-	-	-	-	-100%
C Soumillon	3	-	2	1	-	100%	-	-100%
B Shinn	1	-	-	-	-	-	-	-100%
Irad Ortiz	1	-	-	-	-	-	-	-100%
R Moore	1	-	-	-	-	-	-	-100%
Colin Keane	1	-	-	-	-	-	-	-100%

This season

Jockey	Starts	1^st	2^nd	3^rd	W%	P%	Avg Win Odds	ROI
Ryan Moore	-	-	-	-	-	-	$2.79	-100%
J A Heffernan	-	-	-	-	-	-	$3.06	206%
Donnacha O'Brien	-	-	-	-	-	-	$2.00	-100%
Colm O'Donoghue	-	-	-	-	-	-	-	-100%
E Mc Namara	-	-	-	-	-	-	-	-100%
E J MC NAMARA	-	-	-	-	-	-	-	-100%
Katelyn Mallyon	-	-	-	-	-	-	-	-100%
D Oliver	-	-	-	-	-	-	-	-100%
B Melham	-	-	-	-	-	-	-	-100%
W M Lordan	-	-	-	-	-	-	$3.75	-100%
P B BEGGY	-	-	-	-	-	-	-	-100%
J P Spencer	-	-	-	-	-	-	-	-
D Dunn	-	-	-	-	-	-	-	-100%
J DOYLE	-	-	-	-	-	-	-	-100%
M Zahra	-	-	-	-	-	-	-	-100%
J B Mc Donald	-	-	-	-	-	-	$6.50	225%
J Bowman	-	-	-	-	-	-	-	-100%
O Murphy	-	-	-	-	-	-	-	-100%
K Mc Evoy	-	-	-	-	-	-	-	-100%
Damian Lane	-	-	-	-	-	-	-	-100%
L F ROCHE	-	-	-	-	-	-	-	-100%
P C BOUDOT	-	-	-	-	-	-	$25.25	1163%
M HUSSEY	-	-	-	-	-	-	-	-
M BARZALONA	-	-	-	-	-	-	$4.80	380%
L Dettori	-	-	-	-	-	-	-	-
I Mendizabal	-	-	-	-	-	-	-	-
Y Take	1	-	-	-	-	-	-	-100%
J VELAZQUEZ	-	-	-	-	-	-	-	-
C Soumillon	-	-	-	-	-	-	-	-100%
B Shinn	1	-	-	-	-	-	-	-100%
Irad Ortiz	-	-	-	-	-	-	-	-
R Moore	1	-	-	-	-	-	-	-100%
Colin Keane	-	-	-	-	-	-	-	-

Here is a list of the next races and the most recent results for A O'Brien

December 2025

The Lion In Winter Last Race: 14 December 2025, Sha Tin R7
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58
Los Angeles Last Race: 14 December 2025, Sha Tin R4
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50

November 2025

The Lion In Winter Last Race: 01 November 2025, U S A - DEL MAR R3
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58

October 2025

The Lion In Winter Last Race: 18 October 2025, G B - ASCOT R2
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58
The Lion In Winter Last Race: 18 October 2025, G B - ASCOT R2
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58
Los Angeles Last Race: 05 October 2025, FR - LONGCHAMP R3
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50
Los Angeles Last Race: 05 October 2025, FR - LONGCHAMP R3
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50
Los Angeles Last Race: 05 October 2025, FR - LONGCHAMP R3
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50

September 2025

Los Angeles Last Race: 07 September 2025, FR - LONGCHAMP R5
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50
The Lion In Winter Last Race: 07 September 2025, FR - LONGCHAMP R4
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58

August 2025

The Lion In Winter Last Race: 17 August 2025, FR - DEAUVILLE R1
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58
The Lion In Winter Last Race: 17 August 2025, FR - DEAUVILLE R1
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58
Los Angeles Last Race: 16 August 2025, IRE - CURRAGH R4
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50
Los Angeles Last Race: 16 August 2025, IRE - CURRAGH R4
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50

July 2025

The Lion In Winter Last Race: 06 July 2025, FR - DEAUVILLE R1
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58

June 2025

Los Angeles Last Race: 18 June 2025, G B - ASCOT R3
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50
The Lion In Winter Last Race: 07 June 2025, G B - EPSOM R1
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58

May 2025

Los Angeles Last Race: 25 May 2025, IRE - CURRAGH R2
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50
The Lion In Winter Last Race: 15 May 2025, G B - YORK R1
4yoaH (Bay) Sea The Stars x What A Home

CAREER 12 2-2-3

EARNING $432,402

WIN 17

PLACE 58
Los Angeles Last Race: 05 May 2025, IRE - CURRAGH R1
5yoaH (Bay or Brown) Camelot x Frequential

CAREER 20 8-0-2

EARNING $2,108,856

WIN 40

PLACE 50

A O'Brien News

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Last Updated: 12/12/2025

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