Trainer
Group 1 · European season 2026
Aidan O'Brien
19 Group 1 wins as a trainer
9 TRACKS3 COUNTRIESPURSE OF THOSE RACES: €14,112,732
Usual jockeyRyan Moore · 16 wins
Best horseDiamond Necklace · 3 wins
Most often atCurragh · 6 wins
Biggest winEpsom Derby · €1,749,032
First win of the season1000 Guineas Stakes · 03.05.26
Latest winCheveley Park Stakes · 26.09.26
Winning horses11
Different jockeys3
Average purse per win€742,775
Every Group 1 win as a trainer
| Race | Country | Horse | Track | Prize money | Date | |
|---|---|---|---|---|---|---|
| 1000 Guineas Stakes | GBR | True Love | Newmarket | €347,157 | 03.05.26 | |
| Poule d'Essai des Pouliches | FRA | Diamond Necklace | ParisLongchamp | €346,500 | 10.05.26 | |
| Irish 2000 Guineas | IRE | Gstaad | Curragh | €289,999 | 23.05.26 | |
| Irish 1000 Guineas | IRE | Precise | Curragh | €289,999 | 24.05.26 | |
| Prix du Jockey Club | FRA | Constitution River | Chantilly | €945,000 | 31.05.26 | |
| Epsom Derby | GBR | Christmas Day | Epsom | €1,166,022 | 06.06.26 | |
| Prix de Diane | FRA | Diamond Necklace | Chantilly | €630,000 | 14.06.26 | |
| King Charles III Stakes | GBR | Mission Central | Ascot | €462,876 | 16.06.26 | |
| Ascot Gold Cup | GBR | Scandinavia | Ascot | €462,876 | 18.06.26 | |
| Coronation Stakes | GBR | Precise | Ascot | €462,876 | 19.06.26 | |
| Irish Derby | IRE | Benvenuto Cellini | Curragh | €725,001 | 28.06.26 | |
| Eclipse Stakes | GBR | Constitution River | Sandown | €653,205 | 04.07.26 | |
| Goodwood Cup Stakes | GBR | Scandinavia | Goodwood | €330,625 | 28.07.26 | |
| Nassau Stakes | GBR | Diamond Necklace | Goodwood | €396,751 | 30.07.26 | |
| Phoenix Stakes | IRE | Sun Goddess | Curragh | €240,000 | 09.08.26 | |
| Golden Fleece Stakes | IRE | Darkness Falls | Leopardstown | €240,000 | 12.09.26 | |
| Irish St. Leger | IRE | Scandinavia | Curragh | €289,999 | 13.09.26 | |
| Moyglare Stud Stakes | IRE | Sun Goddess | Curragh | €240,000 | 13.09.26 | |
| Cheveley Park Stakes | GBR | Sun Goddess | Newmarket | €181,843 | 26.09.26 |
Behind the wins as a trainer
2026 European seasonWinning horses
Tracks
1Curragh6 wins
2Ascot3 wins
3Chantilly2 wins
4Newmarket2 wins
5Goodwood2 wins
6ParisLongchamp1 win
7Epsom1 win
8Sandown1 win