USA USA USA 🇺🇸🥇 Team USA runs the fastest 4x400 in CHAMPIONSHIP HISTORY. They defend their world title and now have 12 medals in the event- the most of any country. The team of Justin Robinson (46.15) Chris Robinson (45.16) Demarius Smith (45.56) and Khaleb McRae (44.65) close out the men’s running events by bringing home gold for Team USA Team Belgium earns silver with 3:03.29 and Team Jamaica round spit the podium with a 3:05.99 #WorldIndoors 📸 Getty + janfigueroa07