Trainer Details

Donnacha Aidan O'Brien

153 Runs 20 Wins (13.1%) 40 Places (26.1%)
(Top 10) Jockeys for Donnacha Aidan O'Brien
Jockey Runs Wins Places Win%
Gavin Ryan 53 8 12 15.1%
Chris Hayes 41 6 11 14.6%
Paddy Harnett 30 2 10 6.7%
Joel Rosario 1 1 0 100.0%
Oisin Murphy 6 1 2 16.7%
Ryan Moore 3 1 2 33.3%
J J Slevin 3 1 0 33.3%
Shay Wallace 1 0 1 0.0%
Nathan Crosse 2 0 0 0.0%
Tom Marquand 1 0 0 0.0%
Donnacha Aidan O'Brien's Yard (58 Horses) (Last 12 months)
Horse R W P Last Run
Kensington Lane (IRE)
2 F
 4 2 - 04/07/26
A Boy Named Susie (IRE)
2 C
 5 - 4 04/07/26
Alrashdeyah
2 F
 3 - - 03/07/26
Tradewinds
2 C
 4 - 3 03/07/26
Kraar
2 C
 3 - 1 03/07/26
Celestially
2 F
 6 - 1 02/07/26
Hip Hop Chrissy
2 F
 2 - 1 02/07/26
Razmataz
2 C
 2 - - 02/07/26
Cashel Queen
2 F
 2 - 2 02/07/26
Away And Gone
2 F
 3 - - 01/07/26
Shaihaan (IRE)
2 C
 4 1 1 28/06/26
Alreem
2 F
 1 - - 28/06/26
Isle Of Capri
2 F
 1 - - 28/06/26
Social Circle
2 F
 1 - - 28/06/26
Kilmeaden (IRE)
3 C
 7 1 1 26/06/26
Numantia
2 C
 2 - 1 26/06/26
Keepsgettingbetter
2 F
 6 2 2 26/06/26
Comanche Brave (IRE)
3 C
 5 1 2 20/06/26
Glyfada
2 F
 4 2 1 19/06/26
Spinning Around (IRE)
2 F
 4 2 - 19/06/26
Balantina (IRE)
2 F
 2 1 - 19/06/26
Feel Happy
3 F
 2 - - 19/06/26
Havana Anna (GB)
2 F
 3 1 - 19/06/26
Eniac (IRE)
2 C
 4 - 2 18/06/26
Bold Move
2 C
 1 - - 18/06/26
High King
2 C
 3 1 - 16/06/26
Eretria
2 F
 4 1 2 14/06/26
Saoirse Silk
2 F
 1 - - 14/06/26
La Fogata (IRE)
2 F
 2 - 1 07/06/26
Cleodolinda
2 F
 2 1 1 07/06/26
Little Miss Muffet
2 F
 1 - - 03/06/26
Kilmac Air
2 F
 4 - 1 03/06/26
Gatlinburg (IRE)
2 C
 4 - - 29/05/26
Police Gazette
3 C
 1 - 1 26/05/26
Yogini
3 C
 1 - - 26/05/26
South Island (IRE)
2 C
 3 - - 23/05/26
Benaki
3 F
 2 - 1 19/05/26
Josh's Joy (IRE)
2 F
 2 - - 17/05/26
Happy Pharoah (IRE)
3 C
 2 - 1 15/05/26
Coolangatta (IRE)
2 F
 2 - - 12/05/26
Mount Eden
2 G
 4 - - 12/05/26
Beatific
3 F
 2 - - 10/05/26
Chosen One
2 F
 2 - - 09/05/26
Near Perfection
3 F
 1 - - 25/04/26
Emmeleia
2 F
 2 1 1 25/04/26
Lake Bonney
3 F
 1 - - 15/04/26
Elm Creek
2 C
 4 - 1 10/04/26
Feel The Love
3 F
 2 - 1 09/04/26
Astronomically
2 F
 5 - 4 20/02/26
Venturing (IRE)
2 C
 2 - - 13/02/26
Senator Of State
2 C
 2 1 - 05/12/25
Candidly (IRE)
3 F
 3 - 1 28/11/25
Enthusiastically (IRE)
2 F
 3 1 - 28/11/25
Aegina (GB)
2 F
 1 1 - 31/10/25
Luahna
2 F
 1 - - 29/10/25
Naughty Nina
2 F
 1 - - 29/10/25
Sovereign Thought (IRE)
2 C
 1 - 1 17/10/25
You'll Think Of Me (IRE)
2 F
 1 - 1 17/10/25
Runners - Today & Tomorrow (1)
Time Course Distance Horse Jockey Odds
Fri 18:00 Dundalk (AW) Hip Hop Chrissy Paddy Harnett(3) N/A
Recent Runs - Last 12 Months (Showing 100)
Date/Time Course Distance Horse Jockey Position Beaten By Weight SP Comment
04/07/26
21:06 		Saratoga (USA) 1m1f Kensington Lane (IRE) Joel Rosario 1st Won 8-9 233/10 -
04/07/26
15:35 		Sandown 1m2f A Boy Named Susie (IRE) Oisin Murphy 2nd 3 8-13 20/1 -
03/07/26
18:37 		Bellewstown (IRE) 5f Tradewinds Gavin Ryan 3rd 2.25 9-7 3/1 -
03/07/26
18:37 		Bellewstown (IRE) 5f Alrashdeyah Chris Hayes 8 5.5 9-2 40/1 -
03/07/26
17:35 		Bellewstown (IRE) 1m Kraar Chris Hayes 5 .5 9-1 7/2 -
02/07/26
19:51 		Bellewstown (IRE) 1m6½f Celestially Shay Wallace 3rd 1.25 8-12 7/1 -
02/07/26
18:41 		Bellewstown (IRE) 5f Hip Hop Chrissy Gavin Ryan 4 .75 9-2 11/10F -
02/07/26
18:41 		Bellewstown (IRE) 5f Razmataz Nathan Crosse 8 1 9-9 28/1 -
02/07/26
17:10 		Bellewstown (IRE) 1m Cashel Queen Gavin Ryan 2nd 1.25 8-13 3/1 -
01/07/26
17:05 		Fairyhouse (IRE) 6f Away And Gone Chris Hayes 7 6 8-11 16/1 -
28/06/26
16:35 		Curragh (IRE) 1m4f Shaihaan (IRE) Tom Marquand 5 5 9-2 33/1 -
28/06/26
13:10 		Curragh (IRE) 7f Isle Of Capri Gavin Ryan 6 .5 9-2 28/1 -
28/06/26
13:10 		Curragh (IRE) 7f Alreem Chris Hayes 9 .5 9-2 40/1 -
28/06/26
13:10 		Curragh (IRE) 7f Social Circle Paddy Harnett 10 1.25 8-11 66/1 -
26/06/26
19:55 		Curragh (IRE) 2m½f Kilmeaden (IRE) Paddy Harnett 5 .5 9-0 4/1 -
26/06/26
19:20 		Curragh (IRE) 1m2f Numantia Gavin Ryan 2nd 1.25 9-8 2/1J -
26/06/26
18:45 		Curragh (IRE) 1m4f Keepsgettingbetter Paddy Harnett 2nd 0.3 8-11 7/2 -
20/06/26
15:40 		Ascot 6f Comanche Brave (IRE) Pierre-Charles Boudot 7 0.3 9-5 15/2 -
19/06/26
19:25 		Down Royal (IRE) 7f Kraar Chris Hayes 2nd .5 9-4 6/1 -
19/06/26
17:10 		Down Royal (IRE) 5f Tradewinds Chris Hayes 2nd 5.5 9-7 4/7F -
19/06/26
17:00 		Ascot 1m Glyfada Oisin Murphy 5 0.2 8-13 7/2J -
19/06/26
17:00 		Ascot 1m Spinning Around (IRE) Wayne Lordan 8 2 8-5 33/1 -
19/06/26
16:20 		Ascot 1m Balantina (IRE) Oisin Murphy 5 1.5 9-2 12/1 -
19/06/26
16:10 		Limerick (IRE) 7f Feel Happy Paddy Harnett 6 .75 8-12 5/4F -
19/06/26
15:05 		Ascot 6f Havana Anna (GB) Gavin Ryan 4 1.25 8-13 28/1 -
18/06/26
19:50 		Leopardstown (IRE) 1m5f Eniac (IRE) Gavin Ryan 3rd 2 9-8 100/30 -
18/06/26
16:35 		Leopardstown (IRE) 7f Bold Move Gavin Ryan 7 0.05 8-13 25/1 -
16/06/26
15:05 		Ascot 6f High King Gavin Ryan 13 .5 9-3 50/1 -
14/06/26
16:48 		Cork (IRE) 1m4f Eretria Chris Hayes 4 .5 8-8 5/1 -
14/06/26
14:07 		Cork (IRE) 6f Saoirse Silk Chris Hayes 7 2.75 9-2 12/1 -
12/06/26
16:27 		Fairyhouse (IRE) 6f Alrashdeyah Gavin Ryan 14 0.1 8-12 11/1 -
12/06/26
16:27 		Fairyhouse (IRE) 6f Razmataz Declan McDonogh 15 .5 9-9 28/1 -
11/06/26
17:30 		Leopardstown (IRE) 7f Cashel Queen Gavin Ryan 3rd 4 8-13 4/1 -
10/06/26
17:13 		Limerick (IRE) 1m4f Celestially Gavin Ryan 6 0.05 9-2 16/1
Midfield - headway on outer over 3f out - outpaced over 1f out - rallied inside final 110yds(op 18/1 tchd 14/1)
07/06/26
16:02 		Navan (IRE) 1m La Fogata (IRE) Chris Hayes 4 .75 8-12 6/1
In touch with leaders - headway and pressed leaders over 1f out - no extra inside final 110yds(op 17/2)
07/06/26
13:07 		Navan (IRE) 5f Cleodolinda Gavin Ryan 1st Won 9-2 11/8F
Prominent on near side of group - challenging over 1f out - led inside final furlong - soon ridden and kept on(Mkt1: tchd 15/8; Mkt2 op 6/4)
07/06/26
13:07 		Navan (IRE) 5f Away And Gone Chris Hayes 4 4 9-2 11/1
Ducked right start - soon led - headed over 3f out - weakened over 1f out(Mkt1: op 16/1 tchd 10/1)
03/06/26
18:10 		Curragh (IRE) 6f Tradewinds Chris Hayes 3rd 0.1 9-7 4/1
Led up the centre - faced challenge 2f out - headed over 1f out - kept on but lost second post(op 7/1)
03/06/26
18:10 		Curragh (IRE) 6f Little Miss Muffet Gavin Ryan 5 6 9-2 12/1
Midfield towards near side - outpaced under 2f out - kept on final furlong - not reach leaders(op 18/1 tchd 11/1)
03/06/26
16:40 		Curragh (IRE) 6½f Kilmac Air Paddy Harnett 6 1.75 8-13 7/1
Midfield towards near side - headway from over 1f out - kept on - not reach leaders(op 17/2 tchd 9/1)
31/05/26
15:30 		Chantilly (FR) 1m2½f A Boy Named Susie (IRE) Maxime Guyon 4 1.75 9-2 37/1
Raced wide early - held up in rear - not clear run over 2f out - headway against far rail inside final furlong - ran on final 110yds
31/05/26
14:14 		Listowel (IRE) 6½f Hip Hop Chrissy Gavin Ryan 3rd 3.5 9-1 8/1
In touch with leaders on inner - outpaced over 1f out - kept on inside final furlong(tchd 15/2)
31/05/26
14:14 		Listowel (IRE) 6½f Kraar Chris Hayes 7 2.75 9-2 20/1
Midfield - outpaced over 2f out - weakened inside final furlong(op 18/1)
29/05/26
20:30 		Down Royal (IRE) 1m2½f Gatlinburg (IRE) Gavin Ryan 10 0.3 9-8 11/2
Soon led - headed under 2f out - weakened inside final furlong(op 7/1 tchd 15/2)
29/05/26
20:00 		Down Royal (IRE) 1m2½f Eniac (IRE) Paddy Harnett 9 0.3 9-7 11/4F
Towards rear - some headway over 1f out - soon no impression (vet reported colt to be post race normal)(tchd 3/1)
28/05/26
14:12 		Fairyhouse (IRE) 6f High King Gavin Ryan 1st Won 9-2 10/1
Soon prominent - led over 2f out - pushed along and went clear from under 2f out - ridden and ran on well inside final furlong(op 9/1 tchd 17/2)
26/05/26
19:18 		Dundalk (AW) (IRE) 1m4f Police Gazette Gavin Ryan 3rd .5 9-8 22/1
Disputed lead - headed and prominent from over 6f out - ridden over 1f out - no extra and lost second inside final 110yds(op 16/1)
26/05/26
19:18 		Dundalk (AW) (IRE) 1m4f Yogini Chris Hayes 6 0.1 9-8 14/1
Bumped soon after start - never better than midfield(op 11/1)
24/05/26
17:40 		Curragh (IRE) 1m6f Kilmeaden (IRE) Paddy Harnett 3rd 2 9-8 7/1
(op 15/2 tchd 8/1)
24/05/26
16:30 		Curragh (IRE) 1m Kensington Lane (IRE) Chris Hayes 5 0.05 9-2 28/1 -
23/05/26
17:55 		Curragh (IRE) 1m2f Numantia Paddy Harnett 4 .75 9-3 8/1
Midfield - headway against far rail 2f out - kept on well inside final furlong - eyecatcher(op 11/1)
23/05/26
16:15 		Curragh (IRE) 1m2f Shaihaan (IRE) Chris Hayes 3rd 2 9-5 10/1 -
23/05/26
16:15 		Curragh (IRE) 1m2f South Island (IRE) Gavin Ryan 5 1.5 9-5 28/1 -
23/05/26
15:05 		Curragh (IRE) 6f Comanche Brave (IRE) Ryan Moore 1st Won 9-5 7/4F
In touch with leaders - headway on far side of group over 2f out - led over 1f out - ridden when clear inside final furlong - kept on(op 2/1)
19/05/26
19:42 		Cork (IRE) 1m4f Benaki Gavin Ryan 7 1 9-0 11/2
Midfield - in touch with leaders over 2f out - weakened from over 1f out(op 6/1 tchd 7/1)
19/05/26
18:42 		Cork (IRE) 7f Kilmac Air Gavin Ryan 3rd 4.75 9-3 9/4F
Prominent - in touch with leaders from over 2f out - kept on but no impression inside final furlong(op 11/2)
19/05/26
18:12 		Cork (IRE) 6f Alrashdeyah Gavin Ryan 4 1.5 8-12 11/2
Prominent - up the centre when ran green over 1f out - weakened inside final 110yds(op 7/1)
19/05/26
16:40 		Cork (IRE) 5f Away And Gone Chris Hayes 7 .75 8-11 3/1J
In touch with leaders - weakened from over 1f out(op 10/3 tchd 11/4)
17/05/26
16:56 		Naas (IRE) 6f Havana Anna (GB) Gavin Ryan 1st Won 9-2 9/4
Pressed leaders - led narrowly 2f out - ridden and ran on inside final furlong - faced challenges towards finish - gamely (jockey said filly stumbled leaving stalls)(op 2/1 tchd 5/2)
17/05/26
16:56 		Naas (IRE) 6f Josh's Joy (IRE) Chris Hayes 5 3.5 9-2 18/1
In touch with leaders - no impression(op 22/1)
16/05/26
14:20 		Navan (IRE) 5f Cleodolinda Chris Hayes 2nd .5 9-2 8/1
Dwelt start - towards rear - headway but still plenty to do inside final furlong - ran on well and went second towards finish(op 15/2 tchd 17/2)
16/05/26
13:12 		Navan (IRE) 6f Tradewinds Gavin Ryan 5 5 9-5 8/1
In touch with leaders against far rail - outpaced over 2f out - no extra from 1f out
15/05/26
19:22 		Leopardstown (IRE) 1m6f Happy Pharoah (IRE) Paddy Harnett 2nd .5 9-5 18/1
Raced in second - lost second after 5f - switched right over 1f out - challenging inside final furlong - kept on
12/05/26
19:10 		Killarney (IRE) 1m3f Gatlinburg (IRE) Gavin Ryan 4 .75 9-6 5/1
In touch with leaders - kept on but not pace to challenge(op 4/1)
12/05/26
19:10 		Killarney (IRE) 1m3f Mount Eden Paddy Harnett 8 0.3 9-3 14/1
Towards rear throughout(tchd 18/1)
12/05/26
19:10 		Killarney (IRE) 1m3f Celestially Nathan Crosse 10 .75 9-3 11/1
In rear throughout(op 12/1)
12/05/26
19:10 		Killarney (IRE) 1m3f Coolangatta (IRE) Ronan Whelan 11 7.5 9-9 16/1
Raced in last throughout(tchd 18/1)
12/05/26
17:40 		Killarney (IRE) 1m Glyfada Gavin Ryan 1st Won 9-6 5/4F
Raced in fourth - on outer and ridden over 1f out - edged left but quickened to lead inside final furlong - ran on - won going away(op 11/10 tchd 6/4)
10/05/26
17:20 		Leopardstown (IRE) 1m4f Keepsgettingbetter Chris Hayes 3rd .5 9-6 100/30F
Towards rear - headway up the centre over 1f out - ran on and went third final 110yds - kept on well towards finish(op 5/1)
10/05/26
17:20 		Leopardstown (IRE) 1m4f Eniac (IRE) Gavin Ryan 4 .75 9-10 4/1
Held up in rear - keeping on when short of room against far rail 2f out - switched right over 1f out - ran on well and went fourth inside final 110yds - nearest finish(op 9/2)
10/05/26
16:15 		Leopardstown (IRE) 1m2f Beatific Gavin Ryan 5 .5 9-1 3/1
In touch with leaders - went fourth 2f out - outpaced over 1f out - lost fourth towards finish(op 4/1)
10/05/26
15:40 		Leopardstown (IRE) 1m2f Shaihaan (IRE) Gavin Ryan 4 5 9-5 7/2 -
09/05/26
16:57 		Naas (IRE) 1m2½f La Fogata (IRE) Chris Hayes 2nd .75 9-2 18/1
Held up in rear - headway on outer 2f out - went second 1f out - kept on but no impression towards finish (jockey said filly got unbalanced at first bend)(tchd 22/1)
09/05/26
16:57 		Naas (IRE) 1m2½f Eretria Gavin Ryan 3rd 2.75 9-2 13/8F
Raced in fourth - went second 2f out - lost second inside final furlong - no extra final 110yds(op 6/4)
09/05/26
16:20 		Naas (IRE) 1m Feel Happy Chris Hayes 4 3 9-3 4/1
Pressed leader - weakened over 1f out(op 13/2)
09/05/26
16:20 		Naas (IRE) 1m Chosen One Gavin Ryan 5 2.25 9-3 50/1
Midfield - headway over 2f out - weakened over 1f out(op 28/1)
04/05/26
15:35 		Curragh (IRE) 1m Kensington Lane (IRE) Chris Hayes 1st Won 9-2 14/1 -
04/05/26
15:00 		Curragh (IRE) 7f Spinning Around (IRE) Paddy Harnett 1st Won 8-13 8/1
Midfield - good headway and prominent 2f out - pushed along to lead 1f out - ran on well(op 11/1)
04/05/26
13:15 		Curragh (IRE) 6f High King Gavin Ryan 12 1 9-2 10/1
Towards rear throughout - ran green and outpaced from under 2f out(op 8/1 tchd 11/1)
03/05/26
15:43 		Cork (IRE) 1m4f Kilmeaden (IRE) Gavin Ryan 7 1.5 9-5 10/1
Towards rear - headway up the centre over 1f out - kept on - never on terms(op 12/1)
03/05/26
13:55 		Cork (IRE) 6f Kilmac Air Gavin Ryan 4 3.75 9-3 50/1
Midfield - headway towards far side and briefly went third over 1f out - hampered inside final furlong - no extra final 110yds (jockey said filly was impeded inside last furlong)(op 20/1)
27/04/26
20:15 		Naas (IRE) 1m2½f Glyfada Chris Hayes 1st Won 9-3 6/4F
Prominent(op 15/8 tchd 11/8)
26/04/26
07:35 		Sha Tin (HK) 6f Comanche Brave (IRE) Oisin Murphy 5 .5 9-0 355/1
Midfield - outpaced 2f out - no impression final furlong
25/04/26
17:00 		Limerick (IRE) 1m4f Benaki Paddy Harnett 2nd 4.5 8-12 11/1
Raced in third - went second over 2f out - no extra when jockey dropped whip inside final furlong - no match for winner(tchd 10/1)
25/04/26
17:00 		Limerick (IRE) 1m4f Near Perfection Chris Hayes 5 8 9-3 11/2
In touch with leaders - weakened gradually from over 2f out(op 9/2 tchd 6/1)
25/04/26
15:40 		Navan (IRE) 1m2f Emmeleia Gavin Ryan 2nd 3.25 9-2 4/1
Raced in second - pressed leader under 3f out - led over 1f out - soon headed - kept on - no match for winner(op 7/2 tchd 10/3)
15/04/26
15:42 		Leopardstown (IRE) 1m Lake Bonney Chris Hayes 4 1.25 9-3 14/1
Midfield - headway over 1f out - kept on and went fourth inside final furlong - no impression
15/04/26
15:42 		Leopardstown (IRE) 1m Coolangatta (IRE) Paddy Harnett 12 7.5 8-12 18/1
In rear - weakened over 1f out (jockey said filly was outpaced in the early stages - then stayed on one paced in the home straight)(op 16/1 tchd 14/1)
15/04/26
13:22 		Leopardstown (IRE) 1m2f Eretria Gavin Ryan 1st Won 9-3 5/2
Prominent - led 2f out - shaken up and clear 1f out - ran on well(tchd 11/4)
12/04/26
16:55 		Leopardstown (IRE) 1m2f A Boy Named Susie (IRE) Oisin Murphy 3rd .5 9-5 11/2
Midfield - headway 1f out - switched right inside final furlong - ran on well and went third final 110yds(op 7/1)
12/04/26
16:55 		Leopardstown (IRE) 1m2f South Island (IRE) Gavin Ryan 6 0.05 9-5 50/1
Raced in second - lost second after 2f - weakened inside final furlong(tchd 66/1)
12/04/26
16:25 		Leopardstown (IRE) 7f Kensington Lane (IRE) Chris Hayes 7 1 9-2 18/1 -
12/04/26
14:10 		Leopardstown (IRE) 1m Beatific Gavin Ryan 5 0.3 9-3 12/1
Prominent - no extra final furlong(op 25/1)
10/04/26
20:20 		Dundalk (AW) (IRE) 1m2½f Keepsgettingbetter Chris Hayes 1st Won 9-12 11/10F
Towards rear - steady headway over 2f out - soon bumped - ridden to lead over 1f out - kept on well(op 10/11)
10/04/26
20:20 		Dundalk (AW) (IRE) 1m2½f Elm Creek Paddy Harnett 5 2.25 9-6 4/1
In touch with leaders early - towards rear after 2f - headway over 2f out - weakened gradually inside final furlong(op 7/2 tchd 9/2)
09/04/26
17:40 		Gowran Park (IRE) 1m1½f Feel The Love Chris Hayes 5 1.75 9-3 9/2
Prominent - went second halfway - weakened over 1f out(op 7/2)
09/04/26
16:30 		Gowran Park (IRE) 1m Gatlinburg (IRE) Gavin Ryan 8 2.5 9-8 16/1
Towards rear throughout - some headway against far rail inside final furlong - never near to challenge(op 12/1)
09/04/26
16:30 		Gowran Park (IRE) 1m Mount Eden Paddy Harnett 10 5.5 9-3 12/1
Towards rear throughout - detached over 1f out(op 11/1)
08/04/26
14:05 		Gowran Park (IRE) 7f Kilmac Air Gavin Ryan 11 0.3 9-3 7/1
Slowly away - soon midfield - weakened from 2f out(op 8/1 tchd 9/1)
03/04/26
17:27 		Curragh (IRE) 1m6f Happy Pharoah (IRE) Paddy Harnett 7 12 9-7 7/1
Prominent - weakened over 2f out(tchd 15/2)