| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Osypenko, Alexander (17)
|
MRHYB |
1:01.35 |
1:01.01 |
-0.34 |
| 1 |
Field, Jacob B (16)
|
MRTVSC |
59.92 |
57.87 |
-2.05 |
| 2 |
Gentilini, Peter J (18)
|
MRFA |
1:00.47 |
1:01.02 |
0.55 |
| 2 |
Boudreau, Sergei J (16)
|
MRTVSC |
59.04 |
58.32 |
-0.72 |
| 3 |
Kavouras, Pierre G (15)
|
MRTS |
1:02.42 |
1:01.49 |
-0.93 |
| 3 |
Springle, Ethan S (17)
|
MRSSC |
59.81 |
58.54 |
-1.27 |
| 4 |
Eng, Ethan M (15)
|
MRFA |
1:00.92 |
1:01.87 |
0.95 |
| 4 |
Subillaga-Dubon, Jason A (17)
|
MRFA |
1:00.04 |
1:03.91 |
3.87 |
| 5 |
Baudo, Jake R (15)
|
MRFA |
1:00.79 |
1:01.88 |
1.09 |
| 5 |
Kozlowski, Kameron C (16)
|
MRFA |
1:03.79 |
1:04.01 |
0.22 |
| 6 |
Cortes, Gabriell M (15)
|
MRSSC |
1:00.07 |
1:02.18 |
2.11 |
| 6 |
Minotto, Matthew C (17)
|
MRSSC |
1:02.74 |
1:04.09 |
1.35 |
| 7 |
Menu, Miles X (15)
|
MREHY |
1:00.49 |
1:02.36 |
1.87 |
| 7 |
Campo, Luke V (18)
|
MRSSC |
1:02.50 |
1:04.57 |
2.07 |
| 8 |
Kittilsen, Ryan A (15)
|
MRSSC |
1:01.58 |
1:02.40 |
0.82 |
| 9 |
Mojumdar, Ayush (15)
|
MRTVSC |
1:02.79 |
1:02.55 |
-0.24 |
| 10 |
Ferranola, Anthony A (15)
|
MRSSC |
1:02.04 |
1:03.21 |
1.17 |
| 11 |
Greenberg, Payton (16)
|
MRHAUP |
1:03.75 |
1:03.25 |
-0.50 |
| 12 |
Zenker, Liam J (16)
|
MRSSC |
1:03.39 |
1:03.31 |
-0.08 |