W | World | 43.03 | Wayde van Niekirk | South Africia | 8/14/2016 | Rio de Janerio, BRA |
A | American | 43.18 | Michael Johnson | Nike | 8/26/1999 | Seville, ESP |
C | College Outdoor | 43.70 | Fred Kerley | Texas A&M | 5/26/2017 | Austin, TX |
Lane | Athlete | Team | Seed |
---|---|---|---|
2 | EDWARDS, Austin | Saskatoon | NT |
3 | BURWELL, Elijah | Shreveport Speed Track Club | NT |
4 | COLEMAN, Lawrence | Sam Houston St. | 46.71 |
5 | WALKER, Blair | Trinity (Tex.) | 49.05 |
6 | BROWN, Darnell | Track Headz Track Club | NT |
7 | LEHNER, Karson | Saskatoon | NT |
8 | GUILLORY, Dawson | Unattached | NT |