| W | World | 40.82 | Madison, Felix, Knight, Jeter | USA | 8/6/2012 |
| U | American | 40.82 | Madison, Felix, Knight, Jeter | USA national team | 8/11/2012 |
| PL | JD | Team | Squad | Time | HPL |
|---|---|---|---|---|---|
| 1 | Madison Prep Academy | A | 51.22 | 1 (1) | |
| 2 | Murphy | A | 51.50 | 3 (1) | |
| 3 | Jim Hill HS | A | 51.57 | 1 (2) | |
| 4 | McGill-Toolen Catholic | A | 51.82 | 2 (1) | |
| 5 | West Florida Tech | A | 51.90 | 1 (3) | |
| 6 | Hoover | A | 53.03 | 1 (4) | |
| 7 | Ocean Springs | A | 53.31 | 1 (5) | |
| 8 | Huntsville | A | 53.48 | 2 (2) | |
| 9 | UMS-Wright | A | 53.54 | 3 (2) | |
| 10 | Baker | A | 53.88 | 1 (6) | |
| 11 | Faith Academy | A | 54.99 | 3 (3) | |
| 12 | Cottage Hill Christian Academy | A | 57.24 | 3 (4) | |
| Bayside Academy | A | DQ | |||
| Montgomery Academy | A | DQ | |||
| Spanish Fort | A | DNS | |||
| St. Thomas More | A | DNS | |||
| West Jefferson | A | DNS | |||
| Mary G Montgomery | A | DNS | |||
| Theodore | A | DNS | |||
| Blount | A | DNS | |||
| Auburn | A | DNS | |||
| Murray | A | DNS | |||
| Vigor | A | DNS | |||
| Landmark Christian School | A | DNS | |||
| George County (KY) | A | DNS |
| HPL | JD | Team | Squad | Time |
|---|---|---|---|---|
| 1 | Madison Prep Academy | A | 51.22 | |
| 2 | Jim Hill HS | A | 51.57 | |
| 3 | West Florida Tech | A | 51.90 | |
| 4 | Hoover | A | 53.03 | |
| 5 | Ocean Springs | A | 53.31 | |
| 6 | Baker | A | 53.88 | |
| Murray | A | DNS |
| HPL | JD | Team | Squad | Time |
|---|---|---|---|---|
| 1 | McGill-Toolen Catholic | A | 51.82 | |
| 2 | Huntsville | A | 53.48 | |
| Spanish Fort | A | DNS | ||
| St. Thomas More | A | DNS | ||
| West Jefferson | A | DNS | ||
| Mary G Montgomery | A | DNS | ||
| Auburn | A | DNS |
| HPL | JD | Team | Squad | Time |
|---|---|---|---|---|
| 1 | Murphy | A | 51.50 | |
| 2 | UMS-Wright | A | 53.54 | |
| 3 | Faith Academy | A | 54.99 | |
| 4 | Cottage Hill Christian Academy | A | 57.24 | |
| Theodore | A | DNS | ||
| Blount | A | DNS |
| HPL | JD | Team | Squad | Time |
|---|---|---|---|---|
| Vigor | A | DNS | ||
| Montgomery Academy | A | DQ | ||
| Bayside Academy | A | DQ | ||
| Landmark Christian School | A | DNS | ||
| George County (KY) | A | DNS |