Ep12 - Prof Greg Whyte

Professor Greg Whyte isn’t just another sports scientist. He’s an Olympian, a leading expert in human performance, and the man behind some of the toughest charity challenges you’ve ever seen. From training celebrities for Comic Relief and Sport Relief to helping raise over £50 million for charity, he’s spent decades pushing people beyond what they thought was possible.

Andy Blow is the founder of Precision Fuel & Hydration and one of the leading experts in sweat, hydration and fueling for endurance athletes. Before starting the company, Andy competed as a professional triathlete and represented Great Britain at an elite level. During his racing career he became fascinated with how hydration and sodium loss affect performance, particularly in long distance endurance events.That curiosity eventually led him to work with sports scientists and elite athletes to better understand how individual sweat rates and sodium losses vary dramatically from person to person. Out of that work, Precision Fuel & Hydration was born. The company helps athletes test their sweat composition and build personalised fueling and hydration strategies so they can perform at their best and avoid issues like cramping, dehydration and GI distress.Today Precision Fuel & Hydration works with thousands of athletes ranging from amateurs to professionals, and they are the official hydration partner of Ironman. Their products and testing protocols are used across triathlon, cycling, running and other endurance sports around the world.Andy has become a trusted voice in the endurance community, helping athletes take a more scientific and personalised approach to fueling and hydration so they can perform better on race day.

James Farndon is a Team GB triathlete and one of the regular athletes who joined me throughout Iron105. James takes us deep into his Ironman Wales experience from a few years ago, a race where things did not go to plan.He speaks with refreshing honesty about the mistakes he made, what went wrong, and what he would do differently now. That openness makes this conversation incredibly valuable for anyone preparing for an Ironman, and especially those tackling Ironman Wales.Packed with practical lessons, real world insights, and hard earned experience, this episode is essential listening for athletes who want to learn from failure, not repeat it.

Adam Harper is a friend of mine who is a Team GB age-group triathlete. He works 50 hours a week in his job, has two very young children, and can still do a sub 10 Ironman. He's very inspiring and has lots of tips for smashing it on race day and an insight into the training needed to compete at such a high level.

Matt Pritchard is best known as a member of the BAFTA winning TV show Dirty Sanchez. In recent years he has shifted his focus to endurance sport, completing multiple Ironman triathlons and ultra endurance challenges. His journey from self destructive TV stunts to disciplined long distance racing gives him a rare and honest perspective on mindset, identity, and long term change.

I did a DIY 140.6 in Mallorca on a very hilly course. Here are the lessons I took away from a tough day out.

Danny Bent is a speaker, adventurer and author, voted one of the 100 happiest people in the UK and one of the 50 most inspirational people in London. He’s a Guinness World Record holder, award winning writer and a community builder who leads big, wild group adventures like the Great Norse Run, the Great Silk Run and the Great Patagonian Run – all with the aim of helping people break free from feeling chained by life and realise they’re capable of far more than they think.

Jonas Deichmann is an ultra endurance adventurer known for world record crossings of continents and his triathlon around the world. He’s built a reputation for extreme resilience, calm problem solving, and an ability to keep moving when most people would stop. His projects aren’t just about distance, they’re about mindset, logistics, and the mental discipline needed to handle uncertainty day after day.

Lucy is the voice for many of you. This is her first ever 140.6. She is doing Ironman Wales and we chat all about her worries and concerns and I answer some of her questions. 

Vassos Alexander is a well known broadcaster, author and endurance athlete with a genuine passion for pushing limits. Best recognised as a sports presenter on BBC Radio 2 & Virgin Radio, and for his work covering major athletic events, he’s also an accomplished runner who has taken on ultramarathons and Ironman races. Vassos brings a mix of enthusiasm, honesty and humour to everything he does, making him a relatable and inspiring voice in the world of endurance sport.