Donnacha Aidan O'Brien Trainer Profile, Runners & Results

Runners156

Wins13

Places49

Win rate8.3%

Place rate31.4%

Latest runner05 Sep 2026

Upcoming runners

05 Sep 14:00 - Navan

Irish Stallion Farms EBF Nursery Handicap (Birdcatcher Series)

HorseTradewinds

JockeyPaddy Harnett(3)

TypeFlat

GoingGood

05 Sep 15:45 - Navan

Irish Stallion Farms EBF Fillies Maiden

HorseLookingforarainbow

JockeyGavin Ryan

TypeFlat

GoingGood

Recent runners

05 Sep 2026 15:45 - Navan

Irish Stallion Farms EBF Fillies Maiden

HorseLookingforarainbow

JockeyGavin Ryan

Position-

SP-

05 Sep 2026 14:00 - Navan

Irish Stallion Farms EBF Nursery Handicap (Birdcatcher Series)

HorseTradewinds

JockeyPaddy Harnett(3)

Position-

SP-

04 Sep 2026 19:00 - Down Royal

Grant Thornton Handicap (Div I)

HorseChosen One

Jockey-

Position-

SP-

04 Sep 2026 18:30 - Down Royal

Children's Heartbeat Trust Apprentice Handicap

HorseChosen One (IRE)

JockeySadhbh Tormey(2)

Position4

SP12/1

04 Sep 2026 18:00 - Down Royal

Grant Thornton Ulster Cesarewitch Handicap

HorseYogini (IRE)

JockeyGavin Ryan

Position3

SP28/1

02 Sep 2026 19:40 - Navan

Racing Again This Saturday Fillies Maiden

HorseChosen One

JockeyPaddy Harnett(3)

Position-

SP-

02 Sep 2026 19:40 - Navan

Racing Again This Saturday Fillies Maiden

HorseNear Perfection (IRE)

JockeyGavin Ryan

Position17

SP11/1

02 Sep 2026 17:40 - Navan

Book Your Hospitality Now For Navan Racing Festival Maiden

HorseLookingforarainbow

Jockey-

Position-

SP-

01 Sep 2026 14:30 - Gowran Park

Irish Stallion Farms EBF (C & G) Maiden

HorseBold Move (IRE)

JockeyGavin Ryan

Position9

SP50/1

01 Sep 2026 14:30 - Gowran Park

Irish Stallion Farms EBF (C & G) Maiden

HorseForthethrillofit (IRE)

JockeyPaddy Harnett(3)

Position15

SP50/1

01 Sep 2026 14:30 - Gowran Park

Irish Stallion Farms EBF (C & G) Maiden

HorseVerona Basilica (IRE)

JockeyChris Hayes

Position12

SP66/1

01 Sep 2026 14:00 - Gowran Park

Irish Stallion Farms EBF Fillies Maiden

HorsePopped (IRE)

JockeyGavin Ryan

Position14

SP200/1

01 Sep 2026 14:00 - Gowran Park

Irish Stallion Farms EBF Fillies Maiden

HorseSocial Circle (IRE)

JockeyChris Hayes

Position11

SP50/1

30 Aug 2026 16:40 - Cork

Cork Maiden

HorseFeel Happy (IRE)

JockeyPaddy Harnett(3)

Position1

SP4/1

Course record

Navan

2 wins

3 places from 11 runners

Curragh

1 wins

6 places from 19 runners

Curragh (IRE)

1 wins

4 places from 12 runners

Naas

1 wins

4 places from 11 runners

Cork

1 wins

3 places from 10 runners

Dundalk (AW)

1 wins

2 places from 3 runners

Newmarket

1 wins

2 places from 2 runners

Killarney

1 wins

1 places from 5 runners

Fairyhouse

1 wins

1 places from 4 runners

Naas (IRE)

1 wins

1 places from 4 runners

Jockey links

Gavin Ryan

5 wins

23 places from 64 rides

Paddy Harnett

2 wins

8 places from 22 rides

Chris Hayes

1 wins

9 places from 30 rides

Oisin Murphy

1 wins

3 places from 7 rides

Ryan Moore

1 wins

2 places from 3 rides

Paddy Harnett(3)

1 wins

1 places from 6 rides

Billy Loughnane

1 wins

1 places from 3 rides

Joel Rosario

1 wins

1 places from 1 rides

Shay Wallace

0 wins

1 places from 1 rides

Nathan Crosse

0 wins

0 places from 4 rides

Horses trained

Comanche Brave (IRE)

2 wins

2 places from 3 runs

Cashel Queen (IRE)

1 wins

3 places from 4 runs

A Boy Named Susie (IRE)

1 wins

2 places from 3 runs

Cleodolinda (IRE)

1 wins

2 places from 2 runs

Police Gazette (USA)

1 wins

2 places from 2 runs

Havana Anna (GB)

1 wins

1 places from 4 runs

Feel Happy (IRE)

1 wins

1 places from 4 runs

Kensington Lane (IRE)

1 wins

1 places from 2 runs

High King (IRE)

1 wins

1 places from 2 runs

Glyfada (IRE)

1 wins

1 places from 2 runs