In-depth articles on training, racing, and not being slow
Adaptive training solved the wrong problem. The app models you — your fatigue, your zones, your missed Tuesdays. It does not model the race. Fitness has a shape, and the start line grades on fit.
Sweet Spot training is made up, makes you slower, and science hates it. The evidence for polarized training is clear. 88-94% FTP is a marketing trick.