Team USA's women cruise through 4x400 heat to easily reach final at worlds | NBC Sports

The women of Team USA will get a chance to back up their 4x400m Olympic gold with a World Title in Tokyo, as the team of Alexis Holmes, Rosey Effiyong, Quanera Hayes, and Britton Wilson won their heat with a world leading time to advance to Sunday's final #NBCSports #TeamUSA #trackandfield » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub_confirmation=1 » Watch Live Sports on Peacock: https://peacocktv...