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Owner profile
Mrs A M O'Brien
- Flat 2026 (GB & IRE)
- 9 wins from 71 runs (13%)
- Horses run (last 12 months, GB & IRE)
- 23
- Career (GB & IRE)
- 245 wins from 2,426 runs (10%)
- Career prize money (GB & IRE)
- £189,751 GB · €3,885,810 IRE
- Group, Grade and Listed wins (GB & IRE)
- 18
- Last winner (GB & IRE)
- 25 days ago: Santerno (IRE), Naas (IRE)
Form
Flat 2026 record by race type
| Flat Turf | 58 | 9 | 8 | 8/16 | €169,693 | ||
| All-Weather | 13 | 0 | 3 | 0/7 | €8,808 | - | |
| Total | 71 | 9 | 11 | 8/19 | €178,501 | - |
Additional research statistics and historical returns are in the RaceWatch app.
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Flat 2022 to date record by race type
| Flat Turf | 250 | 29 | 53 | 25/64 | €768,078 | ||
| All-Weather | 76 | 8 | 14 | 8/39 | €103,628 | ||
| Total | 326 | 37 | 67 | 32/78 | €871,706 | - |
Additional research statistics and historical returns are in the RaceWatch app.
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NH 2021/22 to date record by race type
| Hurdle | 8 | 0 | 2 | 0/4 | €1,800 | |
| Total | 8 | 0 | 2 | 0/4 | €1,800 |
Flat career record by race type
| Flat Turf | 1,587 | 169 | 329 | 111/271 | £185,614 | €3,105,924 | ||
| All-Weather | 432 | 44 | 86 | 34/147 | £4,137 | €562,946 | ||
| Total | 2,019 | 213 | 415 | 131/301 | £189,751 | €3,668,870 | - |
All GB and IRE runs in our results database (from 1990).
Additional research statistics and historical returns are in the RaceWatch app.
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NH career record by race type
| Hurdle | 232 | 16 | 31 | 10/67 | €66,510 | Finnegans Wake (GB) | |
| NH Flat | 129 | 11 | 30 | 11/56 | €135,250 | ||
| Chase | 46 | 5 | 11 | 3/13 | €15,180 | Loshian (IRE) | |
| Total | 407 | 32 | 72 | 23/107 | €216,940 | - |
All GB and IRE runs in our results database (from 1990).
Additional research statistics and historical returns are in the RaceWatch app.
Put it into practice on today's racecards.
Open every racecard in full and get your research done before they go to post.
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Last 14 days runners
| 5 Oct 26 | Killarney (IRE) | Irish Stallion Farms EBF Maiden | 1m | Yielding To Soft | Donnacha Aidan O'Brien | Gavin Ryan | 8/12 | 3½ | 100/1 |
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Quick answers
- How many horses does Mrs A M O'Brien have in training?
- 23 horses have run for Mrs A M O'Brien in Britain and Ireland in the last 12 months.
- How many winners has Mrs A M O'Brien had this season?
- Mrs A M O'Brien's runners have 9 wins from 71 runs (13%) in the 2026 Flat season in Britain and Ireland.
- What is Mrs A M O'Brien's overall record?
- In Britain and Ireland since 1993, Mrs A M O'Brien's runners have won 245 of 2,426 races (10%), earning £189,751 in Britain and €3,885,810 in Ireland. Runners abroad are not included.
- How many horses has Mrs A M O'Brien had?
- 369 horses have run for Mrs A M O'Brien in Britain and Ireland since 1993.
- What is Mrs A M O'Brien's biggest win?
- Mrs A M O'Brien's biggest winning prize in Britain is £39,697, won by Ishvana (IRE) in the Jersey Stakes (Group 3) at Ascot on 20 June 2012, and in Ireland €148,500, won by California Voce (IRE) at Naas (IRE) on 1 August 2022.
- Who has been Mrs A M O'Brien's best horse in the last 12 months?
- Mrs A M O'Brien's most successful horse in Britain and Ireland over the last 12 months is Themis (IRE), with 2 wins.
- Which trainers does Mrs A M O'Brien use?
- Mrs A M O'Brien has used 2 trainers in Britain and Ireland in the last 12 months and 8 since 1993; over the last five seasons the most used is Joseph Patrick O'Brien, with 24 winners from 207 runners.
- When did Mrs A M O'Brien last have a winner?
- Mrs A M O'Brien's most recent winner in Britain or Ireland was Santerno (IRE) at Naas (IRE) on 17 September 2026.
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Put it into practice on today's racecards.
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