What's new in marathon nutrition?

Explore our lecture on “What’s new in marathon nutrition?” with Professor Asker Jeukendrup. In this lecture series, Asker builds on the fundamentals of marathon fuelling by examining the latest evidence around carbohydrate loading, race-day fuelling, hydration, gut training, caffeine, continuous glucose monitoring, probiotics, hydrogels, and high carbohydrate intakes. The lecture helps runners, coaches, and practitioners separate emerging trends from evidence-based strategies and develop more practical, personalised marathon nutrition plans.

What we will cover:

What are the most important nutrition priorities for marathon performance?

How should runners approach carbohydrate loading and race-day fuelling?

Are higher carbohydrate intakes, such as 90–120 g/hour, useful or necessary?

Are hydrogels, slow carbohydrates, CGM, and probiotics effective?

How can runners individualise caffeine, hydration, and gut-training strategies?

Professor Asker Jeukendrup

Professor Asker Jeukendrup is one of the world’s leading sports nutritionists and exercise physiologist who spent most of his career as a professor at the University of Birmingham (UK) as Head of The Human Performance Laboratory. Currently he is a (visiting) professor at Loughborough University. He has authored 9 books and over 250 research papers and book chapters. During his career Asker has worked at the forefront of research as well as directly with athletes, including Olympic and World champions, Tour de France cyclists and Champions league football teams.

After many years of working at Universities, Asker accepted a position as the Global Senior Director of the Gatorade Sports Science Institute. At present he is the director of his own performance consulting business “Mysportscience”, and worked or works with a number of football clubs (including FC Barcelona, Chelsea, Red Bull Leipzig, Red Bull Saltzburg and PSV Eindhoven). He is head of performance nutrition of the Visma-Lease-a-bike pro cycling team and the Red Bull Athlete Performance Center, and Performance Manager of Nutrition for the Dutch Olympic team.

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