Max-Velocity Posture

At top speed your posture flips from the leaning drive phase to nearly vertical. Once you've finished accelerating (around 50-70 m in a 100 m), the goal is no longer to push horizontally but to apply force straight DOWN — so you run tall and upright, stacked head-over-hips-over-foot, with your force going…

FilmableFilm this on your phone and TrueForm measures your body mechanics and tells you what to fix. You get angles, not a made-up score.