44.52 for the Program Great! 👑 Khaleb McRae clocked a blistering 44.52 time in the men’s 400m to take the event title at the Tyson Invitational. His PR-shattering time is a usatf national record, a world-leading time and the second-fastest all time 🔥 📍Tyson Invitational | Fayetteville, Ark. 📸 FloTrack #RollTide | yea_ala | #WhereLegendsAreMade