AIDAN O'BRIEN
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Ireland
A former champion amateur jockey, Aiden O'Brien took up a trainer's license at the age of 23 and made an immediate impact as a jumps trainer sending out two winners at his first meeting.
O'Brien broke the record for number of wins in a year at only his second season before trying his hand at training flat horses in 1996 after taking over at the famous Ballydoyle stables in Tipperary for Coolmore.
Success started to come for Aiden O'Brien during the 1997 season winning the Irish 1,000 with Classic Park, and the 2,000 Guineas-Irish Derby double with Desert King.
The following season, O'Brien picked up his first English Classic when King Of Kings won the 2,000 Guineas and in 2001 he became the first overseas trainer since Vincent O'Brien (His Predecessor) to win the British trainers' title.
O'Brien has continued to train Group 1 winners all over the world and is recognised as one of the top trainers with feature wins in Ireland, Britain, France, America, Hong Kong, Australia, UAE, Canada and Italy.
Some of the best horses O'Brien has trained include Desert King, Rock Of Gibraltar, Yeats, High Chaparall, Dylan Thomas, So You Think, Holy Roman Emperor, Henrythenavigator and Galileo.
AIDAN O'BRIEN's Career
Starts
Latest Runners
| FP | Date | Course | Runner | Div | Type | Distance | PM AUD $ | Jockey | Time |
|---|---|---|---|---|---|---|---|---|---|
| 12 of 14 | 28 Sep 2024 | ICU | GARDEN OF EDEN | $7.0 | 2 | 7f | $1,660,520 | R P WHELAN | 1:26.19 |
| 2 of 14 | 28 Sep 2024 | ICU | ANTELOPE CANYON | $3.3 | 2 | 7f | $1,660,520 | W M LORDAN | 1:26.19 |
| 2 of 6 | 28 Sep 2024 | GNK | WHISTLEJACKET | $1.8 | 2C OPEN G1 C1 | 6f | $529,200 | RYAN MOORE | 1:12.29 |
| 4 of 5 | 28 Sep 2024 | ICU | TRINITY COLLEGE | $4.6 | 2 OPEN G2 | 1m | $205,900 | W M LORDAN | 1:38.16 |
| 5 of 5 | 28 Sep 2024 | ICU | LAMBOURN | $8.0 | 2 OPEN G2 | 1m | $205,900 | DECLAN MCDONOGH | 1:38.16 |
| 1 of 7 | 28 Sep 2024 | GNK | LAKE VICTORIA | $2.5 | 2F OPEN G1 C1 | 6f | $529,200 | RYAN MOORE | 1:11.94 |
| 4 of 7 | 28 Sep 2024 | GNK | PUPPET MASTER | $4.0 | 2C OPEN G2 C1 | 1m | $226,870 | RYAN MOORE | 1:38.38 |
| 2 of 18 | 28 Sep 2024 | ICU | BOUNTY | $3.8 | 2 MDN | 6f | $34,690 | W M LORDAN | 1:13.97 |
| 4 of 8 | 27 Sep 2024 | DDLA | PSALM | $4.5 | 3U HCP | 1m2½f | $21,680 | W M LORDAN | 2:13.57 |
| 3 of 9 | 27 Sep 2024 | DDLA | PLATOON | $3.3 | 3U OPEN LR | 1m2½f | $69,370 | W M LORDAN | 2:15.34 |
Jockey Statistics
| Jockey Name | Wins | Win (%) | Places | Place (%) | Runners | PM AUD $ | G1(w) | G2(w) | G3(w) | LR(w) | ROI |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RYAN MOORE | 9 | 25.0% | 15 | 66.7% | 36 | $2,734,122 | 2 | 2 | 0 | 0 | $0.52 |
| W M LORDAN | 7 | 20.6% | 12 | 55.9% | 34 | $1,431,725 | 1 | 0 | 0 | 0 | $1.05 |
| JACK CLEARY | 3 | 42.9% | 1 | 57.1% | 7 | $53,340 | 0 | 0 | 0 | 0 | $1.57 |
| C SOUMILLON | 1 | 25.0% | 1 | 50.0% | 4 | $94,967 | 0 | 0 | 0 | 1 | $1.08 |
| SEAN LEVEY | 1 | 50.0% | 1 | 100.0% | 2 | $825,009 | 1 | 0 | 0 | 0 | $1.88 |
| WAYNE HASSETT | 1 | 100.0% | 0 | 100.0% | 1 | $163,284 | 0 | 0 | 0 | 0 | $10.00 |
| DECLAN MCDONOGH | 0 | 0.0% | 2 | 50.0% | 4 | $118,820 | 0 | 0 | 0 | 0 | - |
| GAVIN RYAN | 0 | 0.0% | 1 | 33.3% | 3 | $98,841 | 0 | 0 | 0 | 0 | - |
| R P WHELAN | 0 | 0.0% | 1 | 50.0% | 2 | $35,055 | 0 | 0 | 0 | 0 | - |
| CHRIS HAYES | 0 | 0.0% | 1 | 50.0% | 2 | $33,210 | 0 | 0 | 0 | 0 | - |
| MARK CREHAN | 0 | 0.0% | 1 | 100.0% | 1 | $4,207 | 0 | 0 | 0 | 0 | - |
| W J LEE | 0 | 0.0% | 0 | 0.0% | 1 | $16,605 | 0 | 0 | 0 | 0 | - |
| DYLAN BROWNE MCMONAGLE | 0 | 0.0% | 0 | 0.0% | 1 | $207,565 | 0 | 0 | 0 | 0 | - |
| G F CARROLL | 0 | 0.0% | 0 | 0.0% | 1 | - | 0 | 0 | 0 | 0 | - |
| LANFRANCO DETTORI | 0 | 0.0% | 0 | 0.0% | 1 | $144,118 | 0 | 0 | 0 | 0 | - |
| Jockey Name | Wins | Win (%) | Places | Place (%) | Runners | PM AUD $ | G1(w) | G2(w) | G3(w) | LR(w) | ROI |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SEAMIE HEFFERNAN | 579 | 18.4% | 884 | 46.5% | 3145 | $54,000,702 | 35 | 16 | 61 | 64 | $0.88 |
| RYAN MOORE | 544 | 25.4% | 637 | 55.2% | 2139 | $179,074,116 | 139 | 77 | 97 | 66 | $0.88 |
| JOSEPH O'BRIEN | 412 | 26.6% | 466 | 56.6% | 1551 | $36,837,408 | 31 | 13 | 44 | 32 | $0.81 |
| MICK KINANE | 275 | 31.9% | 279 | 64.3% | 861 | $28,545,921 | 48 | 15 | 29 | 32 | $0.92 |
| DONNACHA O'BRIEN | 249 | 24.3% | 303 | 54.0% | 1023 | $17,556,949 | 8 | 6 | 14 | 19 | $0.83 |
| JOHN MURTAGH | 208 | 25.8% | 232 | 54.6% | 806 | $33,394,830 | 48 | 18 | 25 | 12 | $0.87 |
| W M LORDAN | 136 | 12.7% | 260 | 36.9% | 1073 | $17,680,063 | 5 | 3 | 10 | 14 | $0.72 |
| K FALLON | 126 | 24.6% | 151 | 54.1% | 512 | $17,271,049 | 26 | 10 | 12 | 15 | $0.85 |
| C O'DONOGHUE | 98 | 11.0% | 207 | 34.1% | 894 | $12,688,179 | 10 | 4 | 11 | 13 | $0.82 |
| JAMIE SPENCER | 86 | 24.9% | 100 | 53.8% | 346 | $7,416,510 | 13 | 8 | 9 | 14 | $0.81 |
| ANASTASIA O'BRIEN | 42 | 9.8% | 80 | 28.4% | 430 | $912,158 | 0 | 0 | 0 | 1 | $0.54 |
| SEAN LEVEY | 30 | 14.2% | 23 | 25.0% | 212 | $1,659,936 | 1 | 0 | 2 | 2 | $0.86 |
| MISS S O'BRIEN | 27 | 24.3% | 28 | 49.5% | 111 | $357,753 | 0 | 0 | 0 | 0 | $0.79 |
| M C HUSSEY | 18 | 8.2% | 36 | 24.5% | 220 | $900,258 | 0 | 0 | 2 | 2 | $0.67 |
| ROBBIE POWER | 17 | 28.8% | 13 | 50.8% | 59 | $205,264 | 0 | 0 | 0 | 0 | $1.18 |
Seasons Summary Statistics
| Season | Wins | Win (%) | Places | Place (%) | Runners | PM AUD $ | G1(w) | G2(w) | G3(w) | LR(w) | ROI |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/25 | 54 | 28.4% | 64 | 62.1% | 190 | $11,600,891 | 8 | 5 | 7 | 6 | $1.00 |
| 2023/24 | 147 | 21.8% | 198 | 51.3% | 673 | $38,806,638 | 21 | 10 | 17 | 14 | $0.84 |
| 2022/23 | 138 | 22.0% | 168 | 48.8% | 627 | $27,319,988 | 17 | 11 | 16 | 14 | $0.81 |
| 2021/22 | 104 | 18.2% | 134 | 41.6% | 572 | $15,289,760 | 10 | 8 | 13 | 13 | $0.82 |
| 2020/21 | 140 | 18.6% | 193 | 44.3% | 751 | $27,550,725 | 19 | 7 | 17 | 10 | $0.92 |
| 2019/20 | 123 | 16.1% | 185 | 40.3% | 764 | $26,678,913 | 15 | 9 | 14 | 11 | $0.74 |
| 2018/19 | 166 | 16.5% | 256 | 41.9% | 1006 | $33,292,430 | 15 | 13 | 22 | 17 | $0.79 |
| 2017/18 | 167 | 19.7% | 229 | 46.8% | 846 | $32,490,987 | 24 | 14 | 22 | 22 | $0.78 |
| 2016/17 | 151 | 17.6% | 267 | 48.8% | 857 | $33,549,499 | 23 | 14 | 17 | 12 | $0.71 |
| 2015/16 | 192 | 20.3% | 266 | 48.5% | 944 | $26,690,446 | 24 | 9 | 19 | 20 | $0.86 |
| Overall | 3028 | 20.0% | 4090 | 27.0% | 15170 | $450,200,493 | 393 | 182 | 331 | 296 | $0.80 |
