The team of Vernon Norwood, Shamier Little, Kaylyn Brown and Bryce Deadmon set a world record in the 4×400-meter mixed relay.Click Here to Visit Orignal Source of Article https://www.espn.com/olympics/story/_/id/40708986/team-usa-sets-new-world-record-4×400-meter-mixed-relay
Team USA sets world record in 4×400 mixed relay
