Science Corner

• Science / 8 min Before the Start LineRace day is the part of triathlon we see. The swim. The bike. The run. The finish line. But what we don't see is everything that...Read article→
• Science / 6 min The Body Learns: Adapting to Heat.After experiencing how much heat could affect my performance in Athens, I arrived at my first sprint-distance triathlon in Cambrils with a very different mindset. It...Read article→
• Race report / 3 min From London Cool to Athens Heat: My Poseidon Half Marathon ExperienceMy first half marathon in the heat didn’t go exactly to plan, but it worked. I finished the Poseidon Half Marathon in Athens in 1:57.Read article→
• Alistair Brownlee / 25 min Taurine: The Secret Weapon for Conquering Heat in Endurance Sports?          I bet you've already been there; maybe you were running on a hot day, cycling indoors or in a warm gym....Read article→
• Science / 6 min The Metabolic Bridge Between Cancer, Immunity, and Physical TrainingWhat do cancer, the immune system, and physical exercise have in common? More than you might think. While they may seem unrelated, they are all deeply...Read article→
• Alistair Brownlee / 7 min Alistair Brownlee on Heat Acclimation: From Beijing Lessons to Your Body's Heat ArmourMy heat prep has evolved over my career: from minimal sessions as "insurance" for London 2012, to saunas/heated bathrooms for Rio 2016 – plus overdressing, hot...Read article→
• Our Team / 3 min Ester Blanco: Introducing Our New Scientific AdvisorWe at truefuels are delighted to welcome Ester onboard as our Scientific Advisor. With her exceptional expertise at the intersection of cancer biology, immunology, and cellular...Read article→
• Heat / 6 min When Heat Takes Control: My Two Close Calls and the Science of FatigueHeat has delivered some of my toughest racing lessons: Beijing 2008's gradual fade while leading the Olympic triathlon (to finish 12th), and London 2010's sudden blackout...Read article→
• Fuel / 6 min Nutritional Best Practices for Endurance AthletesFuelling for endurance isn’t just about loading up on carbs the night before a race. To perform, recover, and stay healthy, you need a well-rounded nutritional...Read article→
• Fuel / 4 min Where Does All the Energy Go? Understanding Human Mechanical Efficiency and Heat in SportHuman beings are remarkably adaptable but surprisingly inefficient at converting food energy into athletic performance. During exercise, only about 20–25% of the energy produced by the...Read article→
• Hydration / 5 min Why Electrolytes Matter in Endurance PerformanceWhen we discuss electrolytes in endurance sports, we typically mean sodium, potassium, magnesium, and chloride. They are more than just “salts.” They’re essential minerals that keep...Read article→
• Fuel / 4 min Maximising Glycogen Storage: The Key to Athletic Success?Glycogen is the stored form of glucose in our muscles and liver. It’s essential for endurance, high-intensity efforts, and recovery. When glycogen runs low, performance declines....Read article→
• Psychology / 5 min It’s all about the process! Why process goals outperform outcome-based targets.Olympic champion Alistair Brownlee explores why process goals outperform outcome-based targets. Backed by science, this article breaks down how athletes can train with discipline, clarity, and...Read article→
• Fuel / 3 min The Adventure of a Carbon Molecule: Where Does Our Energy Come From?Follow a single carbon atom from air to ATP. Discover how food turns into fuel, and what that means for training, performance, and long-term energy storage.Read article→
• Psychology / 5 min Why Motivation Slips—and What Sports Psychology Taught Me About Sticking With ItOlympian Alistair Brownlee shares science-backed motivation strategies from sports psychology to help athletes overcome setbacks and stay consistent.Read article→
• Fuel / 4 min 1:1 Glucose–Fructose Ratio: The Gold Standard for Endurance and Gut ComfortDiscover why a 1:1 glucose-to-fructose ratio is optimal for sports nutrition. Learn how this balance maximises carbohydrate absorption, reduces GI distress, and boosts endurance performance for...Read article→
• Hydration / 2 min The role of electrolytes in endurance sports. Learn how to fuel right to prevent cramps.Electrolytes are essential for performance. Learn how to fuel right in every condition to prevent cramps, dehydration, and fatigue—and power through your next session.Read article→
• Fuel / 3 min Carbs is Energy! The role of carbohydrates in endurance sportsCarbs is energy. Learn how much to take, what types to combine, and how to fuel smarter to boost endurance, avoid GI issues, and reach peak...Read article→
• Fuel / 3 min Is sugar really the enemy? Learn how to harness the right kinds to boost performance.Not all sugar is bad. Learn how to harness the right kinds at the right times to boost performance, speed recovery, and keep your energy sharp...Read article→
• Fuel / 4 min A reminder on how the bodies digestive system worksYour gut powers your goals. Learn how digestion, hydration, and smart fueling choices can boost endurance, speed recovery, and extend both performance and life.Read article→

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