Usa Mixed 4×400 Relay. Reigning mixed 4×400 world champions alexis holmes, matthew boling and ryan willie are joined in the longer relay pool by olympic and world 4×400 gold medalist. In a dramatic final event on day 1 of the world athletics championships 2023, the usa set a new track and field world record to take 4x400m mixed relay gold in.

Poland won the inaugural competition in 2021 and set the first olympic record which. Femke bol fell in the final steps of the mixed 4x400m relay at world championships, giving team usa an unlikely gold medal and a world record in a stunning conclusion.more.