Charles O'Brien

Quick answers

Where is Charles O'Brien based?

Charles O'Brien is a racehorse trainer based in Straffan, Co Kildare, Ireland.

How many winners has Charles O'Brien had this season?

In the 2026 Flat season, Charles O'Brien has trained 2 winners from 40 runners in Britain and Ireland (5%), plus no winners from 5 runners in the 2026/27 jumps season.

How much prize money has Charles O'Brien won this season?

Charles O'Brien's runners have won €181,357 in Ireland in the 2026 Flat season.

How many winners has Charles O'Brien trained in total?

Charles O'Brien has trained 334 winners from 3,742 runners in Britain and Ireland since 1993 (9%). Runners abroad are not included.

How much prize money has Charles O'Brien won in total?

Charles O'Brien's runners have earned £87,401 in Britain and €5,002,675 in Ireland since 1993. Runners abroad are not included.

What are Charles O'Brien's biggest wins?

Charles O'Brien has won 4 Group, Grade or Listed races in Britain and Ireland in the last 10 years, the highest level being Group 3, most recently with Santa Monica (GB) in the Munster Oaks Stakes (Group 3) at Cork (IRE) on 18 June 2017.

Who has been Charles O'Brien's most successful horse in the last 12 months?

Charles O'Brien's most successful horse in Britain and Ireland over the last 12 months is Big Gossey (IRE), with 2 wins.

Where does Charles O'Brien have the most winners?

Curragh (IRE) is Charles O'Brien's most successful course on the Flat since the start of 2022, with 9 winners from 67 runners (13%).

Does Charles O'Brien have any runners coming up?

Charles O'Brien has 4 runners entered or declared in the next 7 days, starting with Paradise Lost in the 15:57 at Curragh on 15 October 2026.

When did Charles O'Brien last have a winner?

Charles O'Brien's most recent winner in Britain or Ireland was Big Gossey (IRE) at Curragh (IRE) on 28 June 2026.