Triathlon and Endurance Coaching
Maximise your performance potential with coaching delivered by a world-class coach
Triathlon and Endurance Coaching
Maximise your performance potential with coaching delivered by a world-class coach
Triathlon and Endurance Coaching
Maximise your performance potential with coaching delivered by a world-class coach.
Triathlon and Endurance Coaching
Maximise your performance potential with coaching delivered by a world-class coach.
Triathlon and Endurance Coaching
Maximise your performance potential with coaching delivered by a world-class coach.
Triathlon and Endurance Coaching
Maximise your performance potential with coaching delivered by a world-class coach.
Triathlon and Endurance Coaching
Maximise your performance potential with coaching delivered by a world-class coach.
Liam O'Neill
HEAD COACH
I’m a professional triathlon coach from Yorkshire, England, with over 16-years of elite coaching experience worldwide. I’ve coached and developed the most decorated Olympic triathletes of all time and have played a pivotal role in the careers of numerous world-class athletes, driving them to sustained international success. My coaching has consistently delivered exceptional results.
As Head Coach of the world-renowned Leeds Triathlon Centre, a British Triathlon World Class Performance Centre, I led athletes to remarkable achievements. From nurturing homegrown talent with the Yorkshire Triathlon Academy to guiding success with Leeds Beckett University and University of Leeds, my coaching has garnered international acclaim across Junior, U23 & Elite athletes. My coaching and leadership resulted in 28 World Triathlon Championship Series medals and athletes going on to achieve medal success at Tokyo 2020.
After Tokyo 2020, I relocated to Australia to lead the NSW Performance Centre. With the support of the NSW Institute of Sport (NSWIS), the Centre achieved unparalleled success, claiming Australian titles across Junior, U23, and Elite categories, alongside numerous Oceania Triathlon Championships titles, and medal success in the World Triathlon Championship Series.
Ready to elevate your triathlon journey to new heights? Let’s make it happen together.
Liam has worked with...
Services
Start your journey with Liam today and turn your aspirations into tangible results.
1:1 Coaching
Elevate your performance and unlock your full potential with elite-level, personalised coaching tailored specifically for you. Experience a customised training program that seamlessly integrates into your work, life, and family commitments, offering unlimited adjustments and continuous support. Whether you're just starting out, further developing, or are an elite athlete, benefit from expert guidance and focused attention.
1:1 Consultation
Discuss anything from training and racing at all distances and levels, to the development of Junior, U23, and Elite athletes. With 16-years of elite coaching experience worldwide, Liam brings a wealth of knowledge to each consultation. His extensive network and openness to collaborating with experts ensure that all your questions are answered comprehensively.
Here's What Athletes Are Saying About Liam
Georgia Taylor-Brown MBE
Most decorated female Olympic triathlete of all time
🥇🥈🥉
I experienced significant growth and success as an athlete while being coached by Liam. His coaching style was refreshingly honest. Recognising that he wasn't an expert in every field, he sought out the best to learn from and enhance both his own skills and those of his athletes. I greatly respected this approach, as it set him apart from other coaches. Beyond being a coach, Liam was also a friend. He fostered an environment where you could be open and honest, and always put his athletes first.
Sam Dickinson
Olympic Games🥉
Commonwealth Games🥇
Liam was my coach for over six years, guiding me through Junior, U23, and Elite. His dedication, integrity, loyalty, and punctuality truly set him apart. Liam’s extensive knowledge and experience were crucial in my development as both an athlete and a person. He was instrumental in my progression from a promising young talent in the Yorkshire Triathlon Academy to achieving medal success at Continental Cups, World Cups, and World Championships. His focus on excelling in high-level races provided a strong foundation for my successful senior career, including my recent medal performance at the Paris 2024 Olympics.
Siân Rainsley
World Triathlon Championship Series🥇
World Triathlon Cup🥇
3 x European Championships🥇
Youth Olympic Games🥈
Liam was instrumental in my development as an athlete. He coached and guided me from Junior and U23 through to Elite racing in the World Triathlon Championship Series. He expertly managed my training loads throughout this journey while balancing my athletic development with my university studies, helping me achieve both academic and sporting goals. Liam’s enthusiasm was evident in every session, and he consistently challenged me to reach new heights. His passion for the sport is incredibly motivating. He is also deeply committed to his own growth as a coach, regularly consulting with experts to enhance his knowledge and approach, which in turn fosters the development of his athletes.
Tom Bishop
3 x World Triathlon Championship Series🥈
2 x European Championships🥇
U23 World Championships🥉
Junior World Championships🥈
I was coached by Liam during my most successful period in World Triathlon racing. With the squad he assembled, I achieved my first World Triathlon Championship Series podium and ended the season ranked 7th in the world. Liam crafted a program that maximised my physiological potential and meticulously honed our skills to meet the demands of racing. His resourcefulness was evident as he leveraged the expertise of specialists to secure those final performance gains. What stands out most about Liam is his ability to foster a dynamic and supportive squad environment. He created a space where everyone could thrive and achieve their goals. Everything I learned from him continues to influence my training for middle and long-distance races. Thank you, Liam, for your invaluable help and guidance.
Tilly Offord
2 x Oceania Triathlon Cup🥇
4 x Australia National Championships🥇
During my time being coached by Liam, I experienced remarkable growth both as an athlete and as an individual. Liam's dedication, loyalty, and transparency is truly exceptional. He consistently went above and beyond to support me and other athletes on the team. Whether you're new to triathlon, developing, or competing at an elite level, Liam's vast experience is invaluable. He also consults with single-discipline experts, which is a uniquely refreshing approach. Liam is committed to balancing his athletes' lives by encouraging and supporting pursuits beyond triathlon, such as academics and career goals. He fosters a high-performing, motivated, and supportive environment. I am extremely grateful for Liam’s impact on both my triathlon career and my life.
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