From smuresearch https://twitter.com/smuresearch on Twitter: How do speed and distance dictate how Olympians run? The @nytimes asked human speed expert @Dr_Weyand. They also came to @SMU to watch three outstanding runners use the world's fastest treadmill. @smusimmons @blueshirt https://www.nytimes.com/interactive/2021/07/30/sports/olympics/olympic-running.html