| $ | National | 1:35.86 | Poly, L. Beach, CA | |
| # | Current US #1 | 1:37.28 | ||
| ^ | Facility | 1:37.09 | Western Branch HS | 
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | 
|---|---|---|---|---|---|---|---|
| 1 | Lackey | A | NT | ||||
| 2 | Western Branch High School | B | NT | ||||
| 3 | West Mecklenburg | A | 1:46.20 | ||||
| 4 | I.C. Norcom | A | 1:46.34 | ||||
| 5 | Bullis School | D | DNS | ||||
| 6 | Riverdale Baptist School | A | DNS | 
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | 
|---|---|---|---|---|---|---|---|
| 2 | James Hubert Blake High School | A | DNS | ||||
| 3 | Elizabeth Seton High School | A | 1:45.03 | ||||
| 4 | McKinley Tech High School | A | 1:43.21 | ||||
| 5 | Bullis School | C | 1:44.00 | ||||
| 6 | Paint Branch High School | A | 1:45.00 | 
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | 
|---|---|---|---|---|---|---|---|
| 2 | Hillside | A | DNS | ||||
| 3 | Henry A. Wise High School | A | 1:42.00 | ||||
| 4 | Nansemond River | A | 1:41.44 | ||||
| 5 | Bullis School | B | 1:43.00 | ||||
| 6 | Hampton | A | 1:42.00 | 
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | 
|---|---|---|---|---|---|---|---|
| 2 | Pickerington Central | A | DNS | ||||
| 3 | Western Branch High School | A | 1:39.00 | ||||
| 4 | St. Jago High School | A | 1:37.00 | ||||
| 5 | Bullis School | A | 1:36.00 | ||||
| 6 | Hydel Group of Schools | A | 1:36.94 |