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Trainer · Classic recordIrelandGreat BritainFranceUAE

Aidan O'Brien

126 classic wins1997–20264 countries
Classic wins
126
First win
1997
Latest win
2026
Most wins in
Irish Derby (18)

Classic record 16 races · 126 wins

Top races

  1. 1IrelandIrish Derby18 wins
  2. 2IrelandIrish 2,000 Guineas13 wins
  3. 3Great BritainThe Derby12 wins
  4. 4IrelandIrish 1,000 Guineas12 wins
  5. 5Great BritainThe Oaks11 wins
All 16 races

Top jockeys

  1. 1Ryan Moore43 wins
  2. 2Seamie Heffernan13 wins
  3. 3Johnny Murtagh11 wins
  4. 4Michael Kinane11 wins
  5. 5JOJoseph O'Brien10 wins

Top horses

  1. 1CCamelot3 wins
  2. 2Lambourn2 wins
  3. 3Auguste Rodin2 wins
  4. 4AAustralia2 wins
  5. 5HCHigh Chaparral2 wins

All classic wins 126 wins

YearHorseRaceTrainerJockeyOwnerTime
2026Racing coloursTrue Loveby No Nay Never out of AlluringlyGreat Britain1,000 GuineasAidan O'BrienWayne LordanCoolmore1:35.14
2026Racing coloursChristmas Dayby Camelot out of BeaulyGreat BritainThe DerbyAidan O'BrienRonan WhelanCoolmore2:43.75
2026Racing coloursPreciseby Starspangledbanner out of Way To My HeartIrelandIrish 1,000 GuineasAidan O'BrienWayne LordanCoolmore1:36.98
2026Racing coloursGstaadby Starspangledbanner out of Mosa MineIrelandIrish 2,000 GuineasAidan O'BrienRyan MooreCoolmore1:35.69
2026Racing coloursBenvenuto Celliniby Frankel out of NewspaperofrecordIrelandIrish DerbyAidan O'BrienRyan MooreCoolmore2:28.33
2026Racing coloursScandinaviaby Justify out of FabulousIrelandIrish St. LegerAidan O'BrienRyan MooreCoolmore2:58.18
2026Racing coloursDiamond Necklaceby St Mark's Basilica out of PrudenziaFrancePoule d'Essai des PoulichesAidan O'BrienRyan MooreCoolmore1:40.73
2026Racing coloursDiamond Necklaceby St Mark's Basilica out of PrudenziaFrancePrix de DianeAidan O'BrienRyan MooreCoolmore2:03.78
2026Racing coloursConstitution Riverby Wootton Bassett out of ChuppyFrancePrix du Jockey ClubAidan O'BrienRyan MooreCoolmore2:03.52
2025Racing coloursLambournby Australia out of Gossamer WingsGreat BritainThe DerbyAidan O'BrienWayne LordanCoolmore2:38.50
2025Racing coloursMinnie Haukby Frankel out of MultilingualGreat BritainThe OaksAidan O'BrienRyan MooreCoolmore2:38.91
2025Racing coloursLake Victoriaby Frankel out of Quiet ReflectionIrelandIrish 1,000 GuineasAidan O'BrienRyan MooreCoolmore1:36.38
2025Racing coloursLambournby Australia out of Gossamer WingsIrelandIrish DerbyAidan O'BrienRyan MooreCoolmore2:29.18
2025Racing coloursMinnie Haukby Frankel out of MultilingualIrelandIrish OaksAidan O'BrienRyan MooreCoolmore2:33.62
2025Racing coloursHenri Matisseby Wootton Bassett out of Immortal VerseFrancePoule d'Essai des PoulainsAidan O'BrienRyan MooreCoolmore1:33.91
2025Racing coloursCamille Pissarroby Wootton Bassett out of EntreatFrancePrix du Jockey ClubAidan O'BrienRyan MooreCoolmore2:04.40
2025Racing coloursScandinaviaby Justify out of FabulousGreat BritainSt Leger StakesAidan O'BrienTom MarquandCoolmore3:04.63
2024Racing coloursCity of Troyby Justify out of Together ForeverGreat BritainThe DerbyAidan O'BrienRyan MooreCoolmore2:38.32
2024Racing coloursLos Angelesby Camelot out of FrequentialIrelandIrish DerbyAidan O'BrienRyan MooreCoolmore2:28.15
2024Racing coloursKypriosby Galileo out of Polished GemIrelandIrish St. LegerAidan O'BrienRyan MooreCoolmore2:59.04
2024Racing coloursJan Brueghelby Galileo out of Devoted To YouGreat BritainSt Leger StakesAidan O'BrienSean LeveyCoolmore3:04.52
2023Racing coloursAuguste Rodinby Deep Impact out of RhododendronGreat BritainThe DerbyAidan O'BrienRyan MooreCoolmore2:33.88
2023Racing coloursPaddingtonby Siyouni out of Modern EagleIrelandIrish 2,000 GuineasAidan O'BrienRyan MooreCoolmore1:40.80
2023Racing coloursAuguste Rodinby Deep Impact out of RhododendronIrelandIrish DerbyAidan O'BrienRyan MooreCoolmore2:33.24
2023Racing coloursSavethelastdanceby Galileo out of Daddys Lil DarlingIrelandIrish OaksAidan O'BrienRyan MooreCoolmore2:43.11
2023Racing coloursContinuousby Heart's Cry out of FluffGreat BritainSt Leger StakesAidan O'BrienRyan MooreCoolmore3:06.95
2022Racing coloursTuesdayby Galileo out of Lillie LangtryGreat BritainThe OaksAidan O'BrienRyan MooreCoolmore2:37.83
2022Racing coloursKypriosby Galileo out of Polished GemIrelandIrish St. LegerAidan O'BrienRyan MooreCoolmore3:04.67
2021Racing coloursMother Earthby Zoffany out of Many ColoursGreat Britain1,000 GuineasAidan O'BrienFrankie DettoriCoolmore1:36.37
2021Racing coloursSnowfallby Deep Impact out of Best in the WorldGreat BritainThe OaksAidan O'BrienFrankie DettoriCoolmore2:42.67
2021Racing coloursEmpress Josephineby Galileo out of Lillie LangtryIrelandIrish 1,000 GuineasAidan O'BrienSeamie HeffernanCoolmore1:47.92
2021Racing coloursSnowfallby Deep Impact out of Best in the WorldIrelandIrish OaksAidan O'BrienRyan MooreCoolmore2:34.36
2021Racing coloursSt Mark's Basilicaby Siyouni out of CabaretFrancePoule d'Essai des PoulainsAidan O'BrienIoritz MendizabalCoolmore1:40.15
2021Racing coloursJoan of Arcby Galileo out of You'resothrillingFrancePrix de DianeAidan O'BrienIoritz MendizabalCoolmore2:09.05
2021Racing coloursSt Mark's Basilicaby Siyouni out of CabaretFrancePrix du Jockey ClubAidan O'BrienIoritz MendizabalCoolmore2:07.30
2020Racing coloursLoveby Galileo out of PikabooGreat Britain1,000 GuineasAidan O'BrienRyan MooreCoolmore1:35.80
2020Racing coloursSerpentineby Galileo out of Remember WhenGreat BritainThe DerbyAidan O'BrienEmmet McNamaraCoolmore2:34.43
2020Racing coloursLoveby Galileo out of PikabooGreat BritainThe OaksAidan O'BrienRyan MooreCoolmore2:34.06
2020Racing coloursPeacefulby Galileo out of MissvinskiIrelandIrish 1,000 GuineasAidan O'BrienSeamie HeffernanCoolmore1:38.19
2020Racing coloursSantiagoby Authorized out of WadyhattaIrelandIrish DerbyAidan O'BrienSeamie HeffernanCoolmore2:38.17
2019Racing coloursHermosaby Galileo out of Beauty Is TruthGreat Britain1,000 GuineasAidan O'BrienWayne LordanCoolmore1:36.89
2019Racing coloursMagna Greciaby Invincible Spirit out of CabaretGreat Britain2,000 GuineasAidan O'BrienDonnacha O'BrienCoolmore1:36.84
2019Racing coloursAnthony Van Dyckby Galileo out of Believe'N'SucceedGreat BritainThe DerbyAidan O'BrienSeamie HeffernanCoolmore2:33.38
2019Racing coloursHermosaby Galileo out of Beauty Is TruthIrelandIrish 1,000 GuineasAidan O'BrienRyan MooreCoolmore1:35.07
2019Racing coloursSovereignby Galileo out of Devoted To YouIrelandIrish DerbyAidan O'BrienPadraig BeggyCoolmore2:31.50
2018Racing coloursSaxon Warriorby Deep Impact out of MaybeGreat Britain2,000 GuineasAidan O'BrienDonnacha O'BrienCoolmore1:36.55
2018Racing coloursForever Togetherby Galileo out of Green RoomGreat BritainThe OaksAidan O'BrienDonnacha O'BrienCoolmore2:40.39
2018Racing coloursFlag of Honourby Galileo out of HawalaIrelandIrish St. LegerAidan O'BrienRyan MooreCoolmore3:05.72
2018Racing coloursKew Gardensby Galileo out of Chelsea RoseGreat BritainSt Leger StakesAidan O'BrienRyan MooreCoolmore3:03.34
2018Racing coloursMendelssohnby Scat Daddy out of Leslie's LadyUAEUAE DerbyAidan O'BrienRyan MooreCoolmore1:55.19
2017Racing coloursWinterby Galileo out of Laddies Poker TwoGreat Britain1,000 GuineasAidan O'BrienWayne LordanCoolmore1:35.66
2017Racing coloursChurchillby Galileo out of MeowGreat Britain2,000 GuineasAidan O'BrienRyan MooreCoolmore1:36.61
2017Racing coloursWings of Eaglesby Pour Moi out of YsoldinaGreat BritainThe DerbyAidan O'BrienPadraig BeggyCoolmore2:33.02
2017Racing coloursWinterby Galileo out of Laddies Poker TwoIrelandIrish 1,000 GuineasAidan O'BrienRyan MooreCoolmore1:39.78
2017Racing coloursChurchillby Galileo out of MeowIrelandIrish 2,000 GuineasAidan O'BrienRyan MooreCoolmore1:40.46
2017Racing coloursCapriby Galileo out of DialafaraIrelandIrish DerbyAidan O'BrienSeamie HeffernanCoolmore2:35.45
2017Racing coloursOrder of St Georgeby Galileo out of Another StormIrelandIrish St. LegerAidan O'BrienRyan MooreCoolmore3:07.82
2017Racing coloursCapriby Galileo out of DialafaraGreat BritainSt Leger StakesAidan O'BrienRyan MooreCoolmore3:04.04
2016Racing coloursMindingby Galileo out of Lillie LangtryGreat Britain1,000 GuineasAidan O'BrienRyan MooreCoolmore1:36.53
2016Racing coloursMindingby Galileo out of Lillie LangtryGreat BritainThe OaksAidan O'BrienRyan MooreCoolmore2:42.66
2016Racing coloursSeventh Heavenby Galileo out of La TraviataIrelandIrish OaksAidan O'BrienSeamie HeffernanCoolmore2:34.53
2016Racing coloursThe Gurkhaby Galileo out of ChintzFrancePoule d'Essai des PoulainsAidan O'BrienRyan MooreCoolmore1:36.97
2015Racing coloursGleneaglesby Galileo out of You'resothrillingGreat Britain2,000 GuineasAidan O'BrienRyan MooreCoolmore1:37.55
2015Qualifyby Fastnet Rock out of PerihelionGreat BritainThe OaksAidan O'BrienColm O'DonoghueChantal Regalado-Gonzalez2:37.41
2015Racing coloursGleneaglesby Galileo out of You'resothrillingIrelandIrish 2,000 GuineasAidan O'BrienRyan MooreCoolmore1:39.30
2015Racing coloursOrder of St Georgeby Galileo out of Another StormIrelandIrish St. LegerAidan O'BrienJoseph O'BrienCoolmore3:03.19
2014Racing coloursAustraliaby Galileo out of Ouija BoardGreat BritainThe DerbyAidan O'BrienJoseph O'BrienCoolmore2:33.63
2014Racing coloursMarvellousby Galileo out of You'resothrillingIrelandIrish 1,000 GuineasAidan O'BrienRyan MooreCoolmore1:45.52
2014Racing coloursAustraliaby Galileo out of Ouija BoardIrelandIrish DerbyAidan O'BrienJoseph O'BrienCoolmore2:33.19
2014Racing coloursBraceletby Montjeu out of Cherry HintonIrelandIrish OaksAidan O'BrienColm O'DonoghueCoolmore2:33.68
2013Racing coloursRuler of the Worldby Galileo out of Love Me TrueGreat BritainThe DerbyAidan O'BrienRyan MooreCoolmore2:39.06
2013Racing coloursMagicianby Galileo out of AbsolutelyfabulousIrelandIrish 2,000 GuineasAidan O'BrienJoseph O'BrienCoolmore1:36.81
2013Racing coloursLeading Lightby Montjeu out of Dance ParadeGreat BritainSt Leger StakesAidan O'BrienJoseph O'BrienCoolmore3:09.20
2013Racing coloursLines of BattleUAEUAE DerbyAidan O'BrienRyan MooreCoolmore2:02.05
2012Racing coloursHomecoming Queenby Holy Roman Emperor out of LagrionGreat Britain1,000 GuineasAidan O'BrienRyan MooreCoolmore1:40.45
2012Racing coloursCamelotby Montjeu out of TarfahGreat Britain2,000 GuineasAidan O'BrienJoseph O'BrienCoolmore1:42.46
2012Racing coloursCamelotby Montjeu out of TarfahGreat BritainThe DerbyAidan O'BrienJoseph O'BrienCoolmore2:33.90
2012Racing coloursWasby Galileo out of Alluring ParkGreat BritainThe OaksAidan O'BrienSeamie HeffernanCoolmore2:38.68
2012Racing coloursPowerby Oasis Dream out of FrappeIrelandIrish 2,000 GuineasAidan O'BrienJoseph O'BrienCoolmore1:39.04
2012Racing coloursCamelotby Montjeu out of TarfahIrelandIrish DerbyAidan O'BrienJoseph O'BrienDerrick Smith2:43.96
2012Racing coloursDaddy Long Legsby Scat Daddy out of Dreamy MaidenUAEUAE DerbyAidan O'BrienColm O'DonoghueCoolmore1:58.35
2011Racing coloursMisty for Meby Galileo out of Butterfly CoveIrelandIrish 1,000 GuineasAidan O'BrienSeamie HeffernanCoolmore1:35.90
2011Racing coloursRoderic O'Connorby Galileo out of Secret GardenIrelandIrish 2,000 GuineasAidan O'BrienJoseph O'BrienCoolmore1:37.88
2011Racing coloursTreasure Beachby Galileo out of HonorineIrelandIrish DerbyAidan O'BrienColm O'DonoghueCoolmore2:33.26
2010Racing coloursCape Blancoby Galileo out of Laurel DelightIrelandIrish DerbyAidan O'BrienJohnny MurtaghCoolmore2:28.68
2009Racing coloursMastercraftsmanby Danehill Dancer out of Starlight DreamsIrelandIrish 2,000 GuineasAidan O'BrienJohnny MurtaghCoolmore1:48.16
2009Racing coloursFame and Gloryby Montjeu out of GryadaIrelandIrish DerbyAidan O'BrienJohnny MurtaghCoolmore2:30.87
2008Racing coloursHenrythenavigatorby Kingmambo out of SequoyahGreat Britain2,000 GuineasAidan O'BrienJohnny MurtaghSue Magnier1:39.14
2008Racing coloursHalfway to Heavenby Pivotal out of Cassandra GoIrelandIrish 1,000 GuineasAidan O'BrienSeamie HeffernanCoolmore1:40.82
2008Racing coloursHenrythenavigatorby Kingmambo out of SequoyahIrelandIrish 2,000 GuineasAidan O'BrienJohnny MurtaghSue Magnier1:39.63
2008Racing coloursFrozen Fireby Montjeu out of Flamingo SeaIrelandIrish DerbyAidan O'BrienSeamie HeffernanCoolmore2:31.96
2008Racing coloursMoonstoneby Dalakhani out of Solo de LuneIrelandIrish OaksAidan O'BrienJohnny MurtaghCoolmore2:34.37
2008Racing coloursSeptimusby Sadler's Wells out of CaladiraIrelandIrish St. LegerAidan O'BrienSeamie HeffernanCoolmore3:11.97
2008Yeatsby Sadler's Wells out of LyndonvilleFrancePrix Royal-OakAidan O'BrienJohnny MurtaghMagnier / Nagle3:19.30
2007Racing coloursSoldier of Fortuneby Galileo out of AffiancedIrelandIrish DerbyAidan O'BrienSeamie HeffernanCoolmore2:36.02
2007Racing coloursPeeping Fawnby Danehill out of MaryinskyIrelandIrish OaksAidan O'BrienJohnny MurtaghCoolmore2:39.12
2007Yeatsby Sadler's Wells out of LyndonvilleIrelandIrish St. LegerAidan O'BrienKieren FallonMagnier / Nagle3:03.40
2007Racing coloursAstronomer Royalby Danzig out of SheepscotFrancePoule d'Essai des PoulainsAidan O'BrienColm O'DonoghueCoolmore1:37.10
2006Racing coloursGeorge Washingtonby Danehill out of BordigheraGreat Britain2,000 GuineasAidan O'BrienKieren FallonCoolmore1:36.86
2006Racing coloursAlexandrovaby Sadler's Wells out of ShoukGreat BritainThe OaksAidan O'BrienKieren FallonCoolmore2:37.71
2006Racing coloursDylan Thomasby Danehill out of LagrionIrelandIrish DerbyAidan O'BrienKieren FallonCoolmore2:29.70
2006Racing coloursAlexandrovaby Sadler's Wells out of ShoukIrelandIrish OaksAidan O'BrienKieren FallonCoolmore2:29.60
2006Racing coloursAussie Rulesby Danehill out of Last SecondFrancePoule d'Essai des PoulainsAidan O'BrienKieren FallonCoolmore1:37.00
2005Racing coloursVirginia Watersby Kingmambo out of Legend MakerGreat Britain1,000 GuineasAidan O'BrienKieren FallonCoolmore1:36.52
2005Racing coloursFootstepsinthesandby Giant's Causeway out of GlatisantGreat Britain2,000 GuineasAidan O'BrienKieren FallonCoolmore1:36.10
2005Racing coloursScorpionby Montjeu out of ArdmelodyGreat BritainSt Leger StakesAidan O'BrienFrankie DettoriCoolmore3:19.01
2003Racing coloursYesterdayby Sadler's Wells out of JudeIrelandIrish 1,000 GuineasAidan O'BrienMichael KinaneSue Magnier1:40.80
2003Racing coloursBrian Boruby Sadler's Wells out of Eva LunaGreat BritainSt Leger StakesAidan O'BrienJamie SpencerSue Magnier3:04.64
2002Rock of Gibraltarby Danehill out of Offshore BoomGreat Britain2,000 GuineasAidan O'BrienJohnny MurtaghFerguson / Magnier1:36.50
2002Racing coloursHigh Chaparralby Sadler's Wells out of KasoraGreat BritainThe DerbyAidan O'BrienJohnny MurtaghCoolmore2:39.45
2002Rock of Gibraltarby Danehill out of Offshore BoomIrelandIrish 2,000 GuineasAidan O'BrienMichael KinaneFerguson / Magnier1:47.30
2002Racing coloursHigh Chaparralby Sadler's Wells out of KasoraIrelandIrish DerbyAidan O'BrienMichael KinaneCoolmore2:32.20
2002Racing coloursLandseerby Danehill out of SabriaFrancePoule d'Essai des PoulainsAidan O'BrienMichael KinaneCoolmore1:36.80
2001Racing coloursGalileoby Sadler's Wells out of Urban SeaGreat BritainThe DerbyAidan O'BrienMichael KinaneCoolmore2:33.27
2001Imagineby Sadler's Wells out of Doff the DerbyGreat BritainThe OaksAidan O'BrienMichael KinaneNagle / Magnier2:36.70
2001Racing coloursImagineby Sadler's Wells out of Doff the DerbyIrelandIrish 1,000 GuineasAidan O'BrienSeamie HeffernanSue Magnier1:41.10
2001Racing coloursBlack Minnalousheby Storm Cat out of Coral DanceIrelandIrish 2,000 GuineasAidan O'BrienJohnny MurtaghSue Magnier1:41.40
2001Racing coloursGalileoby Sadler's Wells out of Urban SeaIrelandIrish DerbyAidan O'BrienMichael KinaneCoolmore2:27.10
2001Racing coloursRose Gypsyby Green Desert out of KrisalyaFrancePoule d'Essai des PoulichesAidan O'BrienMichael KinaneCoolmore1:36.70
2001Racing coloursMilanby Sadler's Wells out of KithangaGreat BritainSt Leger StakesAidan O'BrienMichael KinaneCoolmore3:05.16
1999Racing coloursSaffron Waldenby Sadler's Wells out of Or VisionIrelandIrish 2,000 GuineasAidan O'BrienOlivier PeslierSue Magnier1:38.10
1998Racing coloursKing of Kingsby Sadler's Wells out of ZummeruddGreat Britain2,000 GuineasAidan O'BrienMichael KinaneCoolmore1:39.25
1998Shahtoushby Alzao out of FormulateGreat BritainThe OaksAidan O'BrienMichael KinaneNagle / Magnier2:38.23
1997Classic Parkby Robellino out of WantonIrelandIrish 1,000 GuineasAidan O'BrienStephen CraineMrs Seamus Burns1:42.20
1997Racing coloursDesert Kingby Danehill out of SabaahIrelandIrish 2,000 GuineasAidan O'BrienChristy RocheMichael Tabor1:38.30
1997Racing coloursDesert Kingby Danehill out of SabaahIrelandIrish DerbyAidan O'BrienChristy RocheMichael Tabor2:32.50