| 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 | Yr. | Team |
|---|---|---|---|
| 3 | COREY WHALEY | FR | MARS HILL |
| 4 | PRINCE SIMMONS | SO | USC-B. |
| 5 | DELVIN FOLSTON | SO | USC-B. |
| 6 | DEMENTRIUS DAVIS | JR | USC-B. |
| 7 | JUAN SOTO | SO | EMMANUEL (GA) |