Royal Ascot is five days, 35 races and five years of preparation for most projects.
For a small number of coaches, it’s a career-long accumulation of winners at the sport’s most famous summer meeting. Monitoring of market players race by race throughout the week gives an idea of the extent to which large yards dominate the outpost and day markets. The records set in Berkshire territory tell their own story about what it takes to continue producing at the highest level, year after year.
Here are the trainers who have won more races at Royal Ascot than anyone else.
Aidan O’Brien
No trainer in the history of Royal Ascot comes close to Aidan O’Brien. With a record total of 96 Royal Ascot winners, the Ballydoyle maestro has won 12 of the meeting’s 35 races at least once. His first came in 1997, when Harbor Master won the Coventry Stakes. Since then, he has sent the winners back to Berkshire.
O’Brien has been crowned head coach at Royal Ascot in eight of the last 10 years, regularly sending 20 to 30 runners to the meeting and averaging four to five winners per year over this period. Its dominance in certain breeds is extraordinary. He won the Coventry Stakes 11 times and the Ascot Gold Cup nine times.
HAS THE 2025 editionO’Brien beat five winners at the meeting, leaving him apart of every trainer, past or present, in the all-time standings.
Sir Michael Stoute
Sir Michael Stoute accumulated 82 Royal Ascot winners during his training career, making him the most successful British trainer in the meeting’s history. He held the all-time record until O’Brien surpassed him in 2023.
Stoute surpassed the previous record of 75 winners, set by the late Sir Henry Cecil, in 2018, when Poet’s Word won the Prince of Wales’s Stakes. His last winner at Royal Ascot came in 2021, when Dream of Dreams won the Diamond Jubilee Stakes. Throughout his meeting career, Stoute was particularly strong in Group 1 races, a record no other British trainer has achieved. close.
Sir Henry Cecil
Sir Henry Cecil accumulated 75 Royal Ascot winners before his death in 2013. He was a ten-time British Flat Trainer Champion, a figure surpassed only by Alec Taylor Jr and matched by Stoute in 2009.
Cecil is remembered as much for how he won at Ascot as for how many times he did it. Frankel won twice at the royal meeting under his care, and the horse’s 2012 Queen Anne Stakes is widely considered one of the greatest performances ever seen at Royal Ascot. His track record remained the benchmark for more than three decades.
John and Thady Gosden
The Gosden yard has surpassed 70 Royal Ascot winners in 2025, with John Gosden confirming his 70th victory at the meeting throughout the week. Royal Ascot 2025 provided a significant boost to their momentum, as John and Thady Gosden took home the Best Trainer title, edging out O’Brien on a countback after the two yards sold five winners during the week. Their victories included a trio of Group 1 victories in the St James’s Palace Stakes, Prince of Wales’s Stakes and the Gold Cup.
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