Episode 25 [CODE #2] Cycling Transformed: The Science of Speed 🚴

Episode 25 [CODE #2] Cycling Transformed: The Science of Speed 🚴💬 Got a question or feedback? Write us at: [email protected]☕ Buy a Gel Caf for Lactate to support the work: ko-fi.com/lactateSummary: Professional cycling has shifted from the "steak and wine" survivalism of the Merckx era to the metabolic precision of the Pogačar generation, driven by a transition from mythology to metrics. This episode decodes the "Three Pillars" of WorldTour performance—Structure, Strength, and Nutrition—that now dictate elite training. We explore the physiological mechanism of Polarized training (80/20), which prioritizes low-intensity volume (Zone 1) to maximize mitochondrial biogenesis via the CaMK pathway while avoiding the autonomic burnout of the "moderate" Zone 2 black hole; however, we also examine why time-crunched amateurs might benefit more from a Pyramidal or Sweet Spot approach to build aerobic density. The discussion moves to the Rønnestad protocol for heavy strength training, proving that low-repetition (4–10 RM), high-velocity lifts enhance neural recruitment and cycling economy without detrimental hypertrophy. We then break down the nutritional revolution of 120g/hr carbohydrate intake, utilizing SGLT1 and GLUT5 transporter saturation to minimize muscle damage and preserve glycogen for the critical fourth dimension of performance: Durability. From Mat Hayman’s Zwift-only Paris-Roubaix victory to heat training as a "poor man's altitude," learn how to steal the pros' secrets to build an engine that refuses to fade.Keywords: polarized training, mitochondrial biogenesis, heavy strength training, cycling economy, 120g/hr carbs, durability, rønnestad protocol, heat training, zone 2, sglt1 transporter.🎙️ Lactate, the podcast that deciphers science to improve your performance.Key references :Seiler, S., & Tønnessen, E. (2009). Intervals, Thresholds, and Long Slow Distance: the Role of Intensity and Duration in Endurance Training. Sportscience.Stöggl, T., & Sperlich, B. (2014). The training intensity distribution among well-trained and elite endurance athletes. Frontiers in Physiology. https://doi.org/10.3389/fphys.2014.00033Rønnestad, B. R., et al. (2015). Strength training improves performance and pedaling characteristics in elite cyclists. Scandinavian Journal of Medicine & Science in Sports. https://doi.org/10.1111/sms.12189Viribay, A., et al. (2020). Effects of 120 g/h of Carbohydrates Intake during a Mountain Marathon on Exercise-Induced Muscle Damage in Elite Runners. Nutrients, 12(5), 1367. https://doi.org/10.3390/nu12051367Maunder, E., & Van Erp, T. (2021). Durability as an independent parameter of endurance performance in cycling. Sports Medicine.Jeukendrup, A. E. (2014). A step towards personalized sports nutrition: carbohydrate intake during exercise. Sports Medicine, 44(1), 25–33. https://doi.org/10.1007/s40279-014-0148-zVoices generated by artificial intelligence from the scientific report produced by the Lactate team.