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Trainer · Classic recordGreat BritainIreland

Joseph O'Brien

JO
6 classic wins2018–20262 countries
Classic wins
6
First win
2018
Latest win
2026
Most wins in
St Leger Stakes (2)

Classic record 5 races · 6 wins

Top races

  1. 1Great BritainSt Leger Stakes2 wins
  2. 2Great BritainThe Oaks1 win
  3. 3IrelandIrish St. Leger1 win
  4. 4IrelandIrish Derby1 win
  5. 5IrelandIrish Oaks1 win

Top jockeys

  1. 1Dylan Browne McMonagle3 wins
  2. 2DODonnacha O'Brien1 win
  3. 3Saffie Osborne1 win
  4. 4Tom Marquand1 win

Top horses

  1. 1Thundering On1 win
  2. 2Al Riffa1 win
  3. 3LLatrobe1 win
  4. 4Johanna Walsh1 win
  5. 5Highwayman1 win

All classic wins 6 wins

YearHorseRaceTrainerJockeyOwnerTime
2026Racing coloursThundering Onby Frankel out of Thundering NightsGreat BritainThe OaksJoseph O'BrienDylan Browne McMonagleShapoor Mistry2:39.64
2026Racing coloursJohanna Walshby Sea the Stars out of Miss AiglonneIrelandIrish OaksJoseph O'BrienDylan Browne McMonagleWells Watson2:28.49
2026Racing coloursHighwaymanby Persian King out of SalyanaGreat BritainSt Leger StakesJoseph O'BrienSaffie OsborneJohn Ioannis Neocleous3:03.33
2025Racing coloursAl Riffaby Wootton Bassett out of Love On My MindIrelandIrish St. LegerJoseph O'BrienDylan Browne McMonagleAustralian Bloodstock Two2:59.87
2020Racing coloursGalileo Chromeby Australia out of Curious MindGreat BritainSt Leger StakesJoseph O'BrienTom MarquandGalileo Chrome Partnership3:01.94
2018Racing coloursLatrobeby Camelot out of Question TimesIrelandIrish DerbyJoseph O'BrienDonnacha O'BrienLloyd Williams2:32.62