Elaine Thompson-Herah backs up her Tokyo gold medal by dominating the 100m at the 2021 Prefontaine Classic in just 10.54 seconds -- the second-fastest time ever. #PrefontaineClassic #ElaineThompsonHerah #DiamondLeague » Subscribe to NBC Sports: https://www.youtube.com/nbcsports » Watch Live Sports on NBCSports.com: http://www.nbcsports.com/live NBC Sports Group serves sports fans 24/7 with premier live events, insightful studio shows, and compelling original programming. NBC Sports is an established leader in the sports media landscape with an unparalleled collection of sports properties that include the Olympics, NFL, Premier League, NHL, NASCAR, PGA TOUR, the Kentucky Derby, Tour de France, French Open, IndyCar and many more. Subscribe to our channel for the latest sporting news and highlights! Visit NBC Sports: https://www.nbcsports.com Find NBC Sports on Facebook: https://www.facebook.com/NBCSports Follow NBC Sports on Twitter: https://twitter.com/nbcsports Follow NBC Sports on Instagram: https://www.instagram.com/nbcsports/ Elaine Thompson-Herah wins 100m at 2021 Diamond League Prefontaine Classic | NBC Sports https://www.youtube.com/nbcsports