| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fonseca, Casey (16)
|
MRWISC |
1:11.59 |
1:10.52 |
-1.07 |
| 2 |
Vinciguerra, Vincent X (13)
|
MRTVSC |
1:13.38 |
1:12.52 |
-0.86 |
| 3 |
Geller, Russell (14)
|
MRFREE |
1:15.38 |
1:13.09 |
-2.29 |
| 4 |
Singer, Connor M (15)
|
MRFREE |
1:15.54 |
1:13.47 |
-2.07 |
| 5 |
Ng, Eyton E (12)
|
MRFREE |
1:18.76 |
1:19.56 |
0.80 |
| 6 |
Viollis, Michael (15)
|
MRSSC |
1:19.52 |
1:19.58 |
0.06 |
| 7 |
Savas, Brayden T (11)
|
MRSSC |
1:21.91 |
1:20.56 |
-1.35 |
| 8 |
Tomasino, Michael (15)
|
MRSSC |
1:09.21 |
1:22.39 |
13.18 |
| 9 |
Subillaga-Dubon, Jason A (13)
|
MRFA |
1:26.55 |
1:23.10 |
-3.45 |
| 10 |
Casalinuovo, Johnny A (11)
|
MRTVSC |
1:22.56 |
1:25.55 |
2.99 |
| 11 |
DeWitt, Billy C (10)
|
MRWISC |
1:26.22 |
1:26.53 |
0.31 |
| 12 |
Yap, Anil C (15)
|
MRSSC |
1:43.83 |
1:27.05 |
-16.78 |
| 13 |
McLaughlin, Liam J (14)
|
MRFREE |
1:45.99 |
1:29.55 |
-16.44 |
| 14 |
Kennedy, Michael (13)
|
MRSSC |
1:32.06 |
1:31.14 |
-0.92 |
| 15 |
Thomas, Tyler C (12)
|
MRSSC |
1:34.65 |
1:35.03 |
0.38 |
| 16 |
Fehn, Matthew J (15)
|
MRCSDC |
1:38.18 |
1:35.47 |
-2.71 |
| 17 |
Regan, Finn (8)
|
MRLBA |
1:48.64 |
1:47.17 |
-1.47 |
|
Le, Ronald T (14)
|
MRSSC |
1:34.69 |
DQ |
- |
|
Pepper, Hudson M (12)
|
MRFREE |
1:10.92 |
NS |
- |