| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Green, Trevor A (15)
|
MRTVSC |
51.91 |
52.16 |
0.25 |
| 2 |
Buchen, Max H (18)
|
MRTVSC |
1:04.87 |
54.12 |
-10.75 |
| 3 |
Lengyel, Adrian (16)
|
MRQNS |
56.53 |
55.79 |
-0.74 |
| 4 |
Placencia-Nazareno, Ethan N (16)
|
MRTVSC |
56.19 |
56.33 |
0.14 |
| 5 |
Paton, Gavin C (16)
|
MRQNS |
59.15 |
57.39 |
-1.76 |
| 6 |
Sommerstad, Ryan T (16)
|
MRTVSC |
57.17 |
57.46 |
0.29 |
| 7 |
O'Sullivan-Ulrich, Liam S (15)
|
MRTVSC |
59.77 |
57.90 |
-1.87 |
| 8 |
Boudreau, Sergei J (16)
|
MRTVSC |
1:01.95 |
59.04 |
-2.91 |
| 9 |
Smith, Dean C (15)
|
MRQNS |
58.39 |
59.37 |
0.98 |
| 10 |
McGeary, Connor C (15)
|
MRQNS |
1:01.35 |
1:01.45 |
0.10 |
| 11 |
Sokolowski, Oskar (16)
|
MRHYB |
1:07.39 |
1:05.32 |
-2.07 |
| 12 |
Dabakarov, Evan D (18)
|
MRHYB |
1:08.11 |
1:06.42 |
-1.69 |
| 13 |
Shearman, Alexander L (17)
|
MRQNS |
|
1:07.77 |
- |
| 14 |
Maddalena, Alexander (15)
|
MRHYB |
1:12.13 |
1:07.94 |
-4.19 |
| 15 |
Hennigan, Robert J (15)
|
MRCSDC |
1:25.25 |
1:22.62 |
-2.63 |
| 16 |
Castro Rodriguez, Emanuel A (17)
|
MRCSDC |
|
1:32.59 |
- |