10 months after giving birth the USA's Allyson Felix teams up with Courtney Okolo, Will London and Michael Cherry to win the mixed 4x400m relay and break the world record in the process. #WorldAthleticsChamps | World Athletics

953K views · 13K reactions | The first world record of the World Athletics Championships Budapest 23 came after a dramatic finish in the mixed 4x400m relay  #WorldAthleticsChamps | World Athletics | Facebook

Relay, relay impressive 😲 In their first ever U20 participation in the mixed 4x400m relay, Team USA 🇺🇸 cruises to a championship record time of 3:18.65 in the heats! #WorldAthleticsU20 | World Athletics

Femke Bol charged to gold! 🔥 When she picked up the baton in the 4x400m mixed relay, the Netherlands were fourth. When she crossed the finish line, they were first! 🥇 One of the all-time elite Olympic performances! 👏👏👏 #Paris2024 Paris 2024 World Athletics TeamNL | Olympics

A comfortable victory for Team USA as the men’s 4x400m team qualifies for the Paris Olympics. 🇺🇸 | NBC Olympics & Paralympics