| World: Carter, Frater, Blake, Bolt JAM 37.04 |
| American: Marsh, Burrell, Mitchell, Lewis USA national team 37.40 |
| PL | HPL | Squad | Team | Final |
|---|---|---|---|---|
| 1 | 1(1) | A | Tupelo | 43.14 |
| 2 | 2(1) | A | Memphis University School | 43.14 |
| 3 | 1(2) | A | Oxford | 43.88 |
| 4 | 1(3) | A | Olive Branch | 44.31 |
| 5 | 1(4) | A | Cordova | 44.38 |
| 6 | 1(5) | A | DeSoto Central | 44.42 |
| 7 | 4(1) | A | Columbus | 44.44 |
| 8 | 3(1) | A | North Panola | 44.63 |
| 9 | 3(2) | A | Greenwood | 44.89 |
| 10 | 3(3) | A | Wingfield | 45.33 |
| 11 | 4(2) | A | South Panola | 45.41 |
| 12 | 4(3) | A | Jim Hill | 45.48 |
| 13 | 4(4) | A | Murrah | 45.61 |
| 14 | 2(2) | A | West Bolivar | 45.99 |
| 15 | 3(4) | A | Memphis Health/Science | 46.07 |
| 16 | 2(3) | A | Briarcrest | 46.24 |
| 17 | 3(5) | A | Lafayette | 46.33 |
| 18 | 2(4) | A | Port Gibson | 47.68 |
| 19 | 3(6) | A | Booneville | 48.05 |
| 20 | 2(5) | A | Hattiesburg | 48.87 |
| 21 | 4(5) | A | St. Joe 3 | 49.38 |
| 22 | 3(7) | A | Greenville-Weston | 49.69 |
| 1() | A | Noxubee County | DNS | |
| 1() | A | Starkville | DNF | |
| 1() | A | Kirby | DNS | |
| 2() | A | Marion | DNS | |
| 2() | A | Leflore County | FS | |
| 2() | A | Grenada | DNS | |
| 3() | A | Simmons | DNS |
| PL | HPL | Squad | Team | Final |
|---|---|---|---|---|
| 1 | 1 | A | Tupelo | 43.14 |
| 3 | 2 | A | Oxford | 43.88 |
| 4 | 3 | A | Olive Branch | 44.31 |
| 5 | 4 | A | Cordova | 44.38 |
| 6 | 5 | A | DeSoto Central | 44.42 |
| A | Noxubee County | DNS | ||
| A | Starkville | DNF | ||
| A | Kirby | DNS |
| PL | HPL | Squad | Team | Final |
|---|---|---|---|---|
| 2 | 1 | A | Memphis University School | 43.14 |
| 14 | 2 | A | West Bolivar | 45.99 |
| 16 | 3 | A | Briarcrest | 46.24 |
| 18 | 4 | A | Port Gibson | 47.68 |
| 20 | 5 | A | Hattiesburg | 48.87 |
| A | Marion | DNS | ||
| A | Leflore County | FS | ||
| A | Grenada | DNS |
| PL | HPL | Squad | Team | Final |
|---|---|---|---|---|
| 8 | 1 | A | North Panola | 44.63 |
| 9 | 2 | A | Greenwood | 44.89 |
| 10 | 3 | A | Wingfield | 45.33 |
| 15 | 4 | A | Memphis Health/Science | 46.07 |
| 17 | 5 | A | Lafayette | 46.33 |
| 19 | 6 | A | Booneville | 48.05 |
| 22 | 7 | A | Greenville-Weston | 49.69 |
| A | Simmons | DNS |
| PL | HPL | Squad | Team | Final |
|---|---|---|---|---|
| 7 | 1 | A | Columbus | 44.44 |
| 11 | 2 | A | South Panola | 45.41 |
| 12 | 3 | A | Jim Hill | 45.48 |
| 13 | 4 | A | Murrah | 45.61 |
| 21 | 5 | A | St. Joe 3 | 49.38 |