| Event | Heat | Status | |
|---|---|---|---|
| Men 400 M Hurdles (Prelims) | 1|3 | ||
| Wednesday 6:30 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Meet | Rai Benjamin - USC | 47.02 | 6/8/2018 |
| CR | Collegiate | Rai Benjamin - USC | 47.02 | 6/8/2018 |
| Pl | Ln | Athlete | Time | |
|---|---|---|---|---|
| 1 | 7 | Nathaniel EZEKIEL Baylor [JR] |
48.93 Q | |
| 2 | 5 | Sean BURRELL LSU [SR] |
49.03 Q SB | |
| 3 | 6 | Corde LONG Alabama [SR] |
49.51 | |
| 4 | 4 | Ryan MATULONIS Penn [FR] |
50.12 | |
| 5 | 8 | Craig SADDLER II North Carolina [SR] |
50.15 | |
| 6 | 2 | Yan VAZQUEZ Arizona [SO] |
50.42 PB | |
| 7 | 3 | Clayton ELDER Alabama [SR] |
50.89 | |
| 8 | 9 | Jonathan BIRCHMAN Washington [SR] |
51.05 |