| World: Michael Johnson USA 43.18 7/26/1999 |
| American: Michael Johnson Nike 43.18 7/26/1999 |
| Collegiate: Quincy Watts So. California 44.00 5/6/1992 |
| Facility: Andrew Pierce Ohio State 44.87 |
| PL | JD | Athlete | Yr. | Team | Final | HPL |
|---|---|---|---|---|---|---|
| 1 | Bender, Jake | JR | Nebraska | 47.03 | 1(1) | |
| 2 | Roese, Nate | SO | Minnesota | 47.16 | 1(2) | |
| 3 | Gipson, Levi | JR | Nebraska | 47.29 | 1(3) | |
| 4 | Davey, Brennan | SR | Iowa | 47.72 | 1(4) | |
| 5 | Wiseman, Drew | SO | Nebraska | 47.73 | 1(5) | |
| 6 | Hechsel, Mitch | SO | Minnesota | 48.12 | 1(6) | |
| 7 | Bransby, Sam | FR | Nebraska | 48.16 | 2(1) | |
| 8 | Deng, Goaner | JR | Minnesota | 48.41 | 1(7) | |
| 9 | Aly, Nicholas | JR | Iowa | 48.78 | 1(8) | |
| 10 | McCalla, Brett | SO | Northern Iowa | 48.91 | 2(2) | |
| 11 | Burns, Matt | FR | Illinois | 49.09 | 2(3) | |
| 12 | Jensen, Nick | FR | Iowa | 49.20 | 2(4) | |
| 13 | Jarecki, Mark | FR | Nebraska | 49.43 | 2(5) | |
| 14 | Guske, Jordan | JR | Northern Iowa | 49.86 | 3(1) | |
| 15 | Hill, Marshall | SR | Northern Iowa | 50.02 | 2(6) | |
| 16 | Hoogensen, Jacob | JR | Iowa State | 50.43 | 3(2) | |
| 17 | Grubb, Tanner | FR | Northern Iowa | 51.31 | 3(3) | |
| Godi, Gemechu | JR | Minnesota | DNS | 2() |
| PL | HPL | JD | Athlete | Team | Final |
|---|---|---|---|---|---|
| 1 | 1 | Bender, Jake | Nebraska | 47.03 | |
| 2 | 2 | Roese, Nate | Minnesota | 47.16 | |
| 3 | 3 | Gipson, Levi | Nebraska | 47.29 | |
| 4 | 4 | Davey, Brennan | Iowa | 47.72 | |
| 5 | 5 | Wiseman, Drew | Nebraska | 47.73 | |
| 6 | 6 | Hechsel, Mitch | Minnesota | 48.12 | |
| 8 | 7 | Deng, Goaner | Minnesota | 48.41 | |
| 9 | 8 | Aly, Nicholas | Iowa | 48.78 |
| PL | HPL | JD | Athlete | Team | Final |
|---|---|---|---|---|---|
| 7 | 1 | Bransby, Sam | Nebraska | 48.16 | |
| 10 | 2 | McCalla, Brett | Northern Iowa | 48.91 | |
| 11 | 3 | Burns, Matt | Illinois | 49.09 | |
| 12 | 4 | Jensen, Nick | Iowa | 49.20 | |
| 13 | 5 | Jarecki, Mark | Nebraska | 49.43 | |
| 15 | 6 | Hill, Marshall | Northern Iowa | 50.02 | |
| Godi, Gemechu | Minnesota | DNS |
| PL | HPL | JD | Athlete | Team | Final |
|---|---|---|---|---|---|
| 14 | 1 | Guske, Jordan | Northern Iowa | 49.86 | |
| 16 | 2 | Hoogensen, Jacob | Iowa State | 50.43 | |
| 17 | 3 | Grubb, Tanner | Northern Iowa | 51.31 |