It’s his turn now 😤   Cooper Lutkenhaus ran 1:43.48 to win the men’s 800m, capturing his first outdoor U.S. title 🇺🇲   The reigning World Indoor champion adds another national championship after winning the U.S. indoor title earlier this year. 👏   #TeamUSATF #USATFOutdoors #cooperlutkenhaus #800m #trackandfield #usatf