{"id":29508,"date":"2026-10-03T12:36:27","date_gmt":"2026-10-03T11:36:27","guid":{"rendered":""},"modified":"2026-10-03T12:42:09","modified_gmt":"2026-10-03T11:42:09","slug":"part-2-the-body-the-machine","status":"publish","type":"post","link":"https:\/\/groupevolution.com\/fr\/part-2-the-body-the-machine\/","title":{"rendered":"Part 2: The Body & The Machine"},"content":{"rendered":"

Also on Substack: read this article there<\/a> ou subscribe<\/a> to get new articles by email.<\/p>\n

The Death of “Junk Miles”: Why Guessing is a Performance Tax<\/h2>\n

Moving from Gadget Guesswork to Biological Precision.<\/em><\/h2>\n

In your professional life, you wouldn\u2019t accept an audit that was \u201c90% accurate.\u201d Yet, many amateur athletes train using age-predicted heart rate formulas (220 – age) and Garmin guesswork for training zones and VO2 thresholds. For a 45-year-old executive, this heart rate formula has a standard deviation of 12 beats per minute and, whilst Garmin devices are closer to reality, they still diverge from precise testing by 2-9%. For the time-constrained amateur, that is the difference between building an elite aerobic base and digging a hole of chronic fatigue.<\/p>\n

Physiological Precision (The Internal Engine)<\/strong><\/p>\n

At the Ch\u00e2teau, we utilize Cardiopulmonary Exercise Testing (CPET)<\/strong>\u2014the gold standard of metabolic analysis. We aren\u2019t just looking for your VO2 Max; we are looking for your Ventilatory Thresholds (VT_1 and VT_2)<\/strong>. And we test on the bike and when running, so your training has greater precision. We also use the CardioCoach Pro, research proven metabolic machinery, that analyses O2 \/ CO2 gas exchange, not the latest, clinically unproven gadget. This further enables us to determine how you burn fats and carbohydrates at rest and during differing training intensities, optimising your diet and race nutrition.<\/p>\n