Men 400 Meter Dash Open Record Time/mark Date Name Sec Lane Name Seed 1 1 Empty 1 2 Empty 1 3 Empty 1 4 Joshua Roberto Unattached O 58.90 1 5 Peter Snider I Be Fast Tr 52.42 1 6 Matias Tessel Speed River 52.01 1 7 Ahri Nioras The Gazelles 52.90 1 8 Empty Sec Lane Name Seed 2 1 Empty 2 2 Empty 2 3 Ryland Williamson Unattached O 51.43 2 4 Ben Smith Speed River 50.32 2 5 Roxroy Cato Ultimate Bod 46.90 2 6 Daniel Burke Ultimate Bod 48.68 2 7 Lawrence Xie University o 50.57 2 8 Empty