| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
da Costa, Taito P (16)
|
PCPLS |
1:00.19 |
57.81 |
-2.38 |
| 2 |
Limberg, Justin I (16)
|
PNWEST |
58.47 |
58.18 |
-0.29 |
| 3 |
Chandra, Mihir A (15)
|
OZRSCA |
59.40 |
58.23 |
-1.17 |
| 4 |
O'Haimhirgin, Finn A (16)
|
SNSMST |
59.25 |
58.27 |
-0.98 |
| 5 |
Loyet, Mason K (17)
|
PCOAPB |
58.60 |
58.67 |
0.07 |
| 6 |
Shay, Michael A (16)
|
STNTRO |
58.51 |
58.85 |
0.34 |
| 7 |
Xu, Wilhelm E (16)
|
GUSSS |
58.58 |
59.09 |
0.51 |
| 8 |
Markow, Aron C (15)
|
PNPPST |
58.08 |
59.13 |
1.05 |
| 9 |
Macy, Parker C (14)
|
CAMVN |
1:00.54 |
59.91 |
-0.63 |
| 10 |
Velasquez, Niccolo A (15)
|
STASC |
1:06.49 |
1:00.26 |
-6.23 |
| 11 |
Polsky, Edward N (17)
|
ILCWAC |
|
1:00.99 |
- |
| 12 |
Yost, Luke X (17)
|
SRBY |
1:03.20 |
1:01.02 |
-2.18 |