EXPLAINER: The tech behind Tokyo Olympics' fast track - Associated Press
12:00am PDT - July 30th, 2021 karsten warholm - Associated PressTOKYO (AP) — The Jamaican sprinter and her Olympic-record time captured everyone's attention. What's under foot, though, might have been a factor when Elaine Thompson-Herah broke a 33-year-old Olympic record in the women's 100 meters.