| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Towers, Connor D (16)
|
MRTS |
1:03.14 |
1:06.05 |
2.91 |
| 2 |
Gribulis, Zachary M (15)
|
MRFA |
1:09.21 |
1:07.97 |
-1.24 |
| 3 |
Rupnarain, Timothy (15)
|
MRTS |
1:04.96 |
1:08.51 |
3.55 |
| 4 |
Schroeder, Patrick J (17)
|
MRHAA |
1:30.45 |
1:09.63 |
-20.82 |
| 5 |
Wu, Kevin (14)
|
MRTS |
1:15.64 |
1:14.08 |
-1.56 |
| 6 |
Basini, Jacob (19)
|
MRHAA |
1:10.69 |
1:15.20 |
4.51 |
| 7 |
Diano, Andrew J (13)
|
MRFA |
1:14.93 |
1:15.30 |
0.37 |
| 8 |
Park, Samuel (13)
|
MRTS |
1:16.94 |
1:15.88 |
-1.06 |
| 9 |
Welling, Joseph J (15)
|
MRTS |
1:15.45 |
1:16.03 |
0.58 |
| 10 |
Stanley, Jack N (16)
|
MRBBSC |
1:20.21 |
1:16.91 |
-3.30 |
| 11 |
McNamara, William A (16)
|
MRBBSC |
1:17.96 |
1:17.35 |
-0.61 |
| 12 |
Mastrocinque, Rudy (14)
|
MRTS |
1:19.91 |
1:17.55 |
-2.36 |
| 13 |
Fonseca, Casey (14)
|
MRWISC |
1:18.33 |
1:17.99 |
-0.34 |
| 14 |
Dunn, Christopher J (17)
|
MRSSC |
1:17.82 |
1:18.12 |
0.30 |
| 15 |
Burget, Andrew J (15)
|
MRUN |
1:14.05 |
1:19.36 |
5.31 |
| 16 |
Ramon, Freddy (13)
|
MRLBA |
1:21.68 |
1:21.80 |
0.12 |
| 17 |
Siatsis, Thomas (13)
|
MRLBA |
1:30.00 |
1:22.08 |
-7.92 |
| 18 |
Dolinsky, Andrew E (13)
|
MRTS |
1:21.04 |
1:22.60 |
1.56 |
| 19 |
Caillias, Sean R (17)
|
MRFA |
1:20.40 |
1:23.57 |
3.17 |
| 20 |
Cardona, Christopher J (16)
|
MRFA |
1:22.87 |
1:25.98 |
3.11 |