| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wangpo, Tenzin M (12)
|
ORLOSC |
56.39 |
56.82 |
0.43 |
| 2 |
Nishizawa, Shaw (12)
|
PNSMAC |
58.96 |
59.70 |
0.74 |
| 3 |
Lee-Weinand, Christopher H (12)
|
PCDACA |
1:02.59 |
1:01.04 |
-1.55 |
| 4 |
Shang, Isaac D (12)
|
PCDACA |
1:03.58 |
1:03.42 |
-0.16 |
| 5 |
Ho, William M (11)
|
PNSMAC |
1:02.46 |
1:04.71 |
2.25 |
| 6 |
Pierce, August A (12)
|
PNSMAC |
1:08.29 |
1:07.89 |
-0.40 |
| 7 |
Hu, Christopher H (12)
|
ORBLAC |
1:06.97 |
1:08.12 |
1.15 |
| 8 |
Xia, Ian (12)
|
ORBLAC |
1:18.23 |
1:09.99 |
-8.24 |
| 9 |
Angeline, Evan W (12)
|
PNSMAC |
1:08.18 |
1:10.31 |
2.13 |
| 10 |
Vail, Alex W (11)
|
ORLOSC |
1:13.10 |
1:11.06 |
-2.04 |
| 11 |
Schoenheit, Sylvan K (11)
|
ORLOSC |
1:12.99 |
1:11.08 |
-1.91 |
| 12 |
Kim, Seohyun (12)
|
ORBLAC |
1:13.06 |
1:12.11 |
-0.95 |
| 13 |
Roman, Oliver (12)
|
PCDACA |
1:11.69 |
1:12.58 |
0.89 |
| 14 |
Shinkle, Samuel A (11)
|
PNSMAC |
|
1:13.57 |
- |
| 15 |
Downey, Andrew E (11)
|
ORBLAC |
1:14.85 |
1:13.84 |
-1.01 |
| 16 |
Chen, Peter J (12)
|
PCDACA |
1:18.48 |
1:20.32 |
1.84 |
|
Wong, Jalen J (11)
|
PCDACA |
1:29.83 |
NS |
- |
|
Romashenko, David E (12)
|
ORBLAC |
1:02.22 |
NS |
- |