Award-Winning Speaker | Award-Winning Clinical Dietitian | High-Performance Nutritionist | Endurance Athlete | Nutritional Engineer
Human Performance Is Personal
Claire Fudge brings together clinical science, elite sport and lived endurance experience to change how audiences think about nutrition, health, energy and high performance.
Through compelling stories, evidence-led insights and practical strategies, Claire moves people beyond generic advice and towards decisions and implementation that work for their health, their personal and business demands and their lives.
Whether speaking to business leaders, professionals, athletes or high-performing teams, Claire leaves audiences with more than inspiration. They leave with a clearer understanding of what may be limiting their performance and what they can do next.
Experience That Extends Beyond the Stage
23+ Years
Clinical dietetics and health
14+ Years
High-performance Sports Nutrition
Elite & Olympic Experience
Supporting professional, Olympic and Olympic-pathway , Elite circuit athletes
World Championship Athlete
Endurance World Championships triathlete and former top-10 Ironman age-group athlete, Ultra Runner
Award-Winning Expertise
Award-winning speaker and clinical dietitian
See Claire in Action
Claire’s presentations combine science, storytelling and real-life experience to make complex subjects understandable, relevant and actionable.
From the demands of elite sport to the realities of busy professional life, Claire connects evidence with the decisions people make every day.
Is Your Audience Receiving More Information but Less Clarity?
The pressure to perform has never been greater.
Yet professionals, leaders and athletes are surrounded by conflicting nutrition advice, health trends, new technologies, supplements, quick fixes and generic plans. Knowing more does not always lead to better decisions.
People may understand that nutrition, sleep, hydration and recovery matter, while still struggling to apply that knowledge around demanding workloads, travel, family responsibilities, training and competition.
The result is often inconsistent energy, reduced concentration, slower recovery and growing uncertainty about what evidence to trust.
Claire closes the gap between information and action.
She gives audiences a clearer way to understand what influences their health and performance and how to make meaningful changes that work beyond the event itself.
Personal Performance Precision

Personal Performance Precision.
Why Generic Advice Rarely Delivers Personal Results Health and performance advice is everywhere. But what works for one person, athlete or leader may be ineffective or inappropriate for another.
In this keynote, Claire explores why performance only becomes meaningful when it is personal. Drawing on clinical dietetics, elite sport and more than two decades of professional experience, she shows audiences how to move beyond trends, blanket recommendations and information overload.
Claire introduces the principles of Personal Performance Precision: understanding the individual, identifying what matters and translating evidence into actions that are fit for purpose and fit for real life.
Audiences will discover:
- why generic nutrition and health advice frequently falls short;
- how personal context changes the right performance decision;
- which data may be useful—and which may only create more noise;
- how small, informed adjustments can produce meaningful gains;
- how to move from knowing more to acting more effectively.
Best suited to:
Leadership conferences, professional-services events, high-performing organisations, health and performance programmes, sporting environments and multidisciplinary teams.
Available as:
Keynote, conference session, workshop or extended masterclass.

Personal Performance Precision.
Why Generic Advice Rarely Delivers Personal Results Health and performance advice is everywhere. But what works for one person, athlete or leader may be ineffective or inappropriate for another.
In this keynote, Claire explores why performance only becomes meaningful when it is personal. Drawing on clinical dietetics, elite sport and more than two decades of professional experience, she shows audiences how to move beyond trends, blanket recommendations and information overload.
Claire introduces the principles of Personal Performance Precision: understanding the individual, identifying what matters and translating evidence into actions that are fit for purpose and fit for real life.
Audiences will discover:
- why generic nutrition and health advice frequently falls short;
- how personal context changes the right performance decision;
- which data may be useful—and which may only create more noise;
- how small, informed adjustments can produce meaningful gains;
- how to move from knowing more to acting more effectively.
Best suited to:
Leadership conferences, professional-services events, high-performing organisations, health and performance programmes, sporting environments and multidisciplinary teams.
Available as:
Keynote, conference session, workshop or extended masterclass.

Personal Performance Precision.
Why Generic Advice Rarely Delivers Personal Results Health and performance advice is everywhere. But what works for one person, athlete or leader may be ineffective or inappropriate for another.
In this keynote, Claire explores why performance only becomes meaningful when it is personal. Drawing on clinical dietetics, elite sport and more than two decades of professional experience, she shows audiences how to move beyond trends, blanket recommendations and information overload.
Claire introduces the principles of Personal Performance Precision: understanding the individual, identifying what matters and translating evidence into actions that are fit for purpose and fit for real life.
Audiences will discover:
- why generic nutrition and health advice frequently falls short;
- how personal context changes the right performance decision;
- which data may be useful—and which may only create more noise;
- how small, informed adjustments can produce meaningful gains;
- how to move from knowing more to acting more effectively.
Best suited to:
Leadership conferences, professional-services events, high-performing organisations, health and performance programmes, sporting environments and multidisciplinary teams.
Available as:
Keynote, conference session, workshop or extended masterclass.
Unleash the Inner Athlete
Applying Elite Performance Principles to Work and Life. This established presentation can remain available for organisations that respond to the idea of bringing an athlete’s approach to preparation, energy and resilience into professional life. It should sit as an additional tailored presentation rather than the main positioning for the entire page.
Topics can include:
Fuelling high-stakes decisions
Building resilience under pressure
Managing energy across demanding schedules
Separating evidence from performance trends
Sustaining health while pursuing ambitious goals
Meet Claire Fudge
Clinical Dietitian. High-Performance Sports Nutritionist. Nutritional Engineer. Endurance Athlete.
As Clinical Director of 4th Discipline, I bring together more than 23 years of clinical nutrition, elite sport and high-performance fuelling experience.
I work with professional and Olympic-level athletes, elite performance pathways and world-class programmes, collaborating with medical, coaching and sports-science teams to ensure athletes receive the highest level of joined-up care.
As a Registered Clinical Dietitian and High-Performance Sports Nutritionist, I look beyond food alone. I consider the full performance picture: physiology, medical history, training load, recovery, gut health, body composition, energy availability and long-term health.
I also understand the demands personally. As an endurance athlete and business owner, I know what it takes to work hard, train hard and continue performing when time, energy and recovery are under pressure.
That describe myself as a Nutritional Engineer!
I identify what may be limiting performance, connect the clinical and sporting data, and build a personalised fuelling strategy designed around the athlete, not just giving a generic plan.
The aim is not simply to produce a result at the next competition. It is to build robust, resilient athletes who can perform at a high level now while protecting their health and sporting longevity.
A Speaker Who Connects the Evidence with the Real World
Clinical Credibility
High-Performance Insight
Lived Experience
Personal Performance Precision
Practical Application
Engaging Delivery
Speaking Designed Around Your Audience
Claire speaks across a range of live and virtual environments.
Conference Keynotes
Organisational Events
Leadership Sessions
Workshops and Masterclasses
Sporting and Performance Environments
Panels, Podcasts and Media
A Presentation Built Around Your Event not Lifted from a Shelf
Every audience is different.
Before the event, Claire takes time to understand who will be in the room, the pressures they face and what the organisation wants the presentation to achieve.
Discover
Design
Deliver
Extend
The result is a presentation that feels relevant to the audience rather than generic to the subject.
Planning Your Event?
A speaker information pack can be made available containing:
- Short Biography
- 100-Word Biography
- Full Speaker Biography
- Keynote Descriptions
- Professional Photographs
- Suggested Stage Introduction
- Event and technical Requirements
- Podcast and Media Information





I couldn not recommend working with Claire enough – it was a relef to find someone that could relate and understand my nutritional needs for ironman training/racing and recovery!





I really enjoyed the discussions with Claire. She gave me really good and relevant advice which helped me a lot to overcome my problem.





“ Claire went into a lot of detail, preparing nutrition plans for me and for ½ and full races and also assisted me with recovery nutrition. She is very supportive and knowledgeable. I would highly recommend her”





Just wanted to email you with a big thank you for helping me to manage my eating regime. I was very pleased with my race results.





“help with a long standing issue, It was her personality, honesty and openness which gave comfort in trying her methods. Over the year that I have spent working with her, I have gained the knowledge and insight to manage my symptoms, giving me a new found sense of freedom. I would wholeheartedly recommend Claire to anyone who needs nutritional advice.”





“ I could write so much more . Claire has done an amazing job, and been great, provided consistent, caring support along a tough path to improve my nutrition and expert, individualised advice for fuelling (…) Claire is so well informed, not only in sports nutrition and supplements but also (…) in other areas, including sleep; protein, and ageing (in the context of) a healthy balanced nutritious diet to meet daily and training needs. I have learnt so much and feel so much more equipped to fuel”





instrumental in uncovering my coeliac disease, supporting me to make the necessary changes to a gluten-free lifestyle, which alleviated by IBS symptoms. This in turn positively impacted my fertility. Can’t thank her enough for her tailored expertise which also extended to advice around diabetes management during pregnancy!





I went to visit Claire for a sweat test. This was really useful and informative experience and Claire is very knowledgeable and helpful.





I’ve learned so much stuff I didn’t even know existed, different types of proteins, when to take, when to take dairy, how to stay full, what’s a good probiotic to boost my immune system…I’m always learning, I think I’ve really improved” . –





“I thought I needed a diet plan; but that is exactly what I didn’t need. I gained the knowledge and support and the balancing of everyday life around training along with personal life too”.





Since working with Claire, she’s made a huge difference to the way that I’ve been able to execute my training sessions, bring the energy that I need at the right times to competition, and get the most out of recovery. I wholly recommend giving Claire a call. The biggest thing to take away is that everything that we do is absolutely manageable!





Claire challenged my unhealthy food beliefs in an empathic manner and suggested changes that were specific and achievable whilst continuing in my recovery from anorexia. “her knowledge and support have been really valuable in the progress I have made over the past few months and I would definitely seek her advice in the future.





In Claire, I have found a dietitian who not only is a specialist in nutrition, but also really understands the specific demands of an athlete. She acknowledges that one size does not fit all and really considers all the different aspects in optimizing nutrition for me as an individual. Most importantly, she helps me understand every little step of the process so that I know how to fuel myself even when she’s not around.





“before my first 70.3 …we identified my intolerances for everyday life, (she helped) fuel my training sessions and put together a plan for the lead up to my race and race day itself. “Claire being a triathlete herself, her advice is second to none”





The moment someone says to you, ‘you know the symptoms you are experiencing are not normal’. Was really the moment the journey began to experiencing a normal existence. “years with food intolerances, …. impossible to control …..I am now free to live my life without symptoms and all of the related issues I was experiencing (anxiety about going places, worrying if I was going to be ill when I went out, the list continues…) . all of the guesswork (was removed) ….introducing each element in bitesize chunks ensured it wasn’t in anyway daunting, and allowed the outcome to be obvious . Having the support and expertise throughout was such a huge benefit, and now I can everyday apply the principles learnt with confidence, knowing they are specific to my needs. Being normal feels amazing!”





I wanted to understand what food is good for me as I trained and when doing races…..some foods did not agree with me but I did not understand why……..Gave me these answers and has helped me improve my race times as well as eat more sensibly. My lifestyle has benefited from this enormously. I received expert advice on what to eat during (injury) ….incredibly helpful and informative and I was impressed at her wealth of knowledge & experience. “Claire helped me understand what foods work for my body. I’ve improved my race times and transformed my lifestyle.”





A big thank you for helping me to manage my eathing regime. Meal advice before the race seemed to really help keep my stomach settled on race day. I was very pleased with my race results. Really impressed by how good I feel and not so tired. A lot of this has to do with my new meal plans for training and racing.





“I run better, I feel better, I’m not getting injured, and I sleep well”. “I thought I needed a diet plan; but that is exactly what I didn’t need. I gained the knowledge and support and the balancing of everyday life around training along with personal life too”.





When I started nutrition coaching with Claire I’ve saw an absolutely incredible difference in not only my racing performance and day to day training, but a difference in my everyday life. It has changed how I perceive food and how I think about myself and how I can best fuel myself for what I have to do that day.





“swam my fastest 100m since I stopped competitive swimming as a kid…. I am feeling great”





A friend who is a no nonsense athlete was working with Claire and I thought she would be good for me as although not a ‘real’ athlete myself, I wanted to understand how to fuel for 70.3 training and simultaneously sort out my ongoing chaotic relationship with food and eating for ‘normal life’. I knew Claire had an understanding of and worked in both areas.





“exceptionally supportive …excellent knowledge of nutrition both in terms of supporting sports performance but also in optimising health. Claire’s background in long distance triathlon herself means that she is able to support in ways others wouldn’t …..her race and training experiences. I (would) recommend Claire for anyone who is looking for support with their nutrition – either for optimising everyday health and wellness or for enhancing and supporting sports performance”





I’ve been running for quite a few years, but I just kept running out of energy. Training for a marathon, I got in touch with Claire. I thought she would just give me a food plan, but she basically educated me on what I needed to eat and the right food groups to eat together. It was just an absolute game changer. I did my marathon with absolutely no problems—didn’t once run out of energy.





I had a sweat test done by Claire – I’ve yet to put the results into practice, but really enjoyed our discussion. She explained the process and how to put the results into practice very clearly. She also seemed to me to have a very balanced view (it was not just a sales pitch for Precision Hydration!) which gave me a lot of confidence in her advice.





“revolutionised how I eat during …. big sessions. From my former race snacks mindset to a proper fuelling strategy-it’s made a demonstrable difference in my form”





I went to Claire looking for a quick fix, however Claire explained in detail the process and why I needed to take a different approach to hit my goals. Claire was very encouraging, providing weekly support and further analysis on my progress.





“I could start to eat intuitively again; I recovered my menstrual cycle and eat intuitively without any fear; she was there with support and guidance”





“Claire’s methods didn’t leave me feeling hungry or depleted of energy like fad diets can, in fact I couldn’t quite understand how I was able to eat quite so much and feel so full and strong………what a difference having a nutrition plan to work with made. My performance rocketed and I completed my two dreams in one season. Medalling at the European Middle Distance AG triathlon and smashing my first ironman”





Where I’ve really benefited from working with Claire Fudge is around the timing of food around my training, but also particularly around travel. Working with Claire on a plan so that I don’t go for chocolate in the airport or at the petrol station, but have snacks and planned timing along the way has really been beneficial. She’s great at delivering helpful tips that are quick and easy to do.





“Your encouragement means a lot at a time when work and training is difficult and I cannot see the journey back to ‘normal’….. your positivity is highly contagious – I feel better already “





I first met Claire Fudge of 4th Discipline in the summer of 2021 for sweat rate test to better understand his electrolyte and hydration requirements for training for a Guinness World Record attempt for an endurance event.
I came away thinking I would like to work with the 4thdiscipline team as they provide nutrition coaching for performance to professional athletes and people like me who have been blundering through the nutritional needs of heavy training.
4thdiscipline know their stuff and their engagement with me was focussed on my individual needs basing my education and planning on science. At all times they worked with me in a calm, supportive and realistic fashion.
For anyone looking to improve their understanding and knowledge of food and sport I can highly recommend them!





Struggling with allergies, intolerenaces and anxiety around food for many years had a huge umpact in my daily life, being able to properly fuel for marathon training, recovery and race days. Symptoms have improved dramatically, my training is much more efficient and my confiedence around food has grown. I have lost count of the different diets and plans that I have tried; I have seen a really positive change. I really couldn’t recommend Claire any more highly.





Great first meeting and assessment with Claire. A huge amount to take in but Claire guided me through the first stage. Have some clear first steps to work on in my journey to improving my hydration and nutrition to support improved training and race performances.





I cam to see Claire in the run-up to my first ironman event. Within days of following her advice, I saw a noticeable difference; Training is improving all the time. All is on track for nailing the nitrition for the ironman event next month!





I have worked with Claire for over a year having suffered with disordered eating from an early age. I knew I needed to do something to change it.
Frequently Asked Questions
Yes. Claire takes time to understand the audience, event theme and intended outcomes. The examples, evidence, language and practical takeaways can then be adapted while retaining the integrity of the core presentation.
Claire speaks to business leaders, professional-services organisations, driven professionals, professionals who compete, athletes, coaches, performance teams, healthcare audiences and research organisations.
Formats include conference keynotes, organisational presentations, workshops, masterclasses, leadership sessions, panel discussions, virtual events, podcasts and media contributions.
Talks can be adapted to the event schedule. Common formats include shorter conference presentations, 45–60-minute keynotes and extended interactive workshops.
Yes. A keynote can be followed by a smaller workshop, leadership session, Q&A or practical implementation session.
Yes. Virtual presentations and workshops can be provided for organisations and audiences in different locations.
International enquiries are welcome, subject to timing, travel and event requirements.
It is useful to include the event date, location, audience, approximate attendance, event format, intended outcomes and provisional budget where available.
Ready to Create a Presentation Your Audience Will Continue Thinking About?
Tell us about the event, who will be in the room and what you want the audience to leave understanding, feeling or ready to do.
Claire will work with you to identify the most relevant presentation and create an experience that is evidence-led, engaging and built around your audience.













