𝐀 𝐍𝐄𝐖 𝐖𝐎𝐑𝐋𝐃 𝐑𝐄𝐂𝐎𝐑𝐃! 🌟 Sydney McLaughlin runs an insane 51.41 in the 400H to break her previous world record of 51.46 for the U.S. title! #UKTF x #GoSydGo x #CatsInThePros 📺 nbc 📸 usatoday