| Men's 400 Meter Dash (Prelim) | Heat 1 Splits |
|---|
| Place | Athlete Name | 200m | 400m | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Tony McQuay Florida | 21.16 (1) 21.16 | 45.85 (1) 24.70 | |||||||||||||
| 2 | Marek Niit Arkansas | 21.59 (2) 21.59 | 46.08 (2) 24.50 | |||||||||||||
| 3 | Thomas Murdaugh Ohio State | 21.90 (4) 21.90 | 46.27 (3) 24.38 | |||||||||||||
| 4 | David Verburg George Mason | 21.83 (3) 21.83 | 46.52 (4) 24.69 |