| Pl | Athlete / entry | Gr | School / team | Mark |
|---|---|---|---|---|
| 1 | AtlanticPlace 1 · Atlantic | — | Atlantic | 51.42a |
| 2 | Van MeterPlace 2 · Van Meter | — | Van Meter | 51.57a |
| 3 | Woodward-GrangerPlace 3 · Woodward-Granger | — | Woodward-Granger | 52.59a |
| 4 | Greene CountyPlace 4 · Greene County | — | Greene County | 54.96a |
| 5 | West Central Valley StuartPlace 5 · West Central Valley Stuart | — | West Central Valley Stuart | 55.70a |
| 6 | Greene CountyPlace 6 · Greene County | — | Greene County | 55.74a |
| 7 | EarlhamPlace 7 · Earlham | — | Earlham | 55.99a |
| 8 | Van MeterPlace 8 · Van Meter | — | Van Meter | 56.57a |
| 9 | MadridPlace 9 · Madrid | — | Madrid | 57.14a |
| 10 | St. Edmond Fort DodgePlace 10 · St. Edmond Fort Dodge | — | St. Edmond Fort Dodge | 57.45a |
| 11 | EarlhamPlace 11 · Earlham | — | Earlham | 57.80a |
| 12 | Woodward-GrangerPlace 12 · Woodward-Granger | — | Woodward-Granger | 57.85a |
| 13 | Panorama PanoraPlace 13 · Panorama Panora | — | Panorama Panora | 59.06a |
| 14 | EarlhamPlace 14 · Earlham | — | Earlham | 59.22a |
| 15 | MadridPlace 15 · Madrid | — | Madrid | 1:01.00a |
| 16 | Mount AyrPlace 16 · Mount Ayr | — | Mount Ayr | 1:01.51a |
| 17 | St. Edmond Fort DodgePlace 17 · St. Edmond Fort Dodge | — | St. Edmond Fort Dodge | 1:08.62a |
| 18 | West Central Valley StuartPlace 18 · West Central Valley Stuart | — | West Central Valley Stuart | 1:12.55a |
| — | ACGC · ACGC | — | ACGC | DQ |