Mixed 4x400m Relay Final | World Athletics Championships Doha 2019

The United States broke the world record for the second time in as many days in the mixed 4x400m as Michael Cherry anchored the squad to a new benchmark of 3:*, taking almost three seconds off the first-round performance and delivering a 12th world gold to their second-leg runner, Allyson Felix. Subscribe to our channel - ⭐️ Follow us on Twitter - ⭐️ ⭐️ Follow us on Facebook - ⭐️ ⭐️