DIOMED STABLES
Newmarket
Stuart Williams Racing

The Trainer
At Stuart Williams Racing, our primary focus is on the horses. We dedicate ourselves to providing each horse in our care with the utmost attention, ensuring they reach their full potential on the racetrack.
The Horses
We invite you to visit our yard at your convenience and cherish the moments you spend with your horses, both on and off the track.

The Racing Syndicate
We take pride in keeping our owners informed and are always available for discussions about their horses.
We encourage you to get involved with our team, as we can help you find a horse or share that fits any budget.
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Excellent week for Team Diomed with 3 winners from 7 runners 🏆 🥇King of Light finishing strongly in the feature @royalwindsorracecourse under @marcoghiani99 for TJE racing 🥇Holi Scarlett progressing well in her 4th start to win @nottingham_racecourse under @doughtyjack_ for James Parry & Partners 🥇Ironwill getting his head in front in the final race @newmarket_racecourses under @marcoghiani99 for Ms Emma McIntosh A huge 👏 to the team at home #teamdiomedwinnersButton
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After a very hot week, our lovely owners at Hot to Trot Racing brought in some doughnuts for Team Diomed 🍩 Thank you so much, they were thoroughly enjoyed! 😋🏇 #stuartwilliamsracingButton
Racehorse Trainer in Newmarket
Located in the historic heart of the British racing industry, Stuart Williams Racing provides a world-class environment for thoroughbred excellence at the renowned Diomed Stables. As a centerpiece of the Newmarket training community for over three decades, our yard has built a legacy of performance defined by a hands-on approach and a relentless pursuit of the winner's enclosure.
Recent years have seen the stable reach new heights of success on the global stage, anchored by a high-profile victory in the Nell Gwyn Stakes with Azleet, a win that cements our position as a leading force in Group-level competition. From the record-breaking seven-race winning streak of Quinault to the rapid rise of Stakes-winning sprinters like Pandora’s Gift, our results speak to a training regime that maximizes the unique potential of every athlete.
By utilizing Newmarket’s 2,500 acres of premier training grounds alongside our own state-of-the-art facilities, we offer owners a sophisticated and transparent pathway to racing success. Whether your goal is a Saturday winner at a major festival or nurturing a young prospect through the ranks, Stuart Williams Racing delivers the professional expertise and dedicated horsemanship required to compete at the very top of the sport.
Your journey to the winner's enclosure begins here.
Ironwill
Holi Scarlett
King of Light
Adalida
Cherry Cobbler
Expert Agent
Candonomore
Azleet
Expert Agent
Who's On First
Quinault
Henrythenate
Azleet wins the Group 3 Nell Gwyn Stakes at Newmarket in April
Quinault wins the Group 3 Dukhan Sprint Cup in Qatar in February



