Erriyon Knighton ran a wind legal U.S. No. 1 in 20.33 AND set a new 200m national record. Did we mention this is the 15-16-year-old age group?😱🤯 He's unbelievable! https://t.co/S1hmkVn34K pic.twitter.com/7BSI2IFKWw

— FloTrack (@FloTrack) August 7, 2020