| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Deemer, Samuel K (14)
|
LELESD |
54.63 |
56.65 |
2.02 |
| 2 |
Matteson, Owen K (14)
|
NISTAR |
57.15 |
58.65 |
1.50 |
| 3 |
Leighton, Benjamin W (14)
|
NISTAR |
59.27 |
1:01.90 |
2.63 |
| 4 |
Kemp, Evan C (13)
|
LELESD |
1:03.72 |
1:04.23 |
0.51 |
| 5 |
Kashino, Thomas S (13)
|
NISTAR |
1:06.47 |
1:07.19 |
0.72 |
| 6 |
Moritz, Connor R (13)
|
LELESD |
|
1:08.00 |
- |
| 7 |
Monteiro, Phillip G (13)
|
NIVELO |
1:11.04 |
1:09.71 |
-1.33 |
| 8 |
Scalfani-Cohen, Andrew J (13)
|
NIVELO |
1:11.17 |
1:09.73 |
-1.44 |
| 9 |
Attuwaybi, Ismail B (13)
|
NIVELO |
1:10.31 |
1:10.49 |
0.18 |
| 10 |
Zynda, Trevor J (14)
|
NISHAQ |
1:13.16 |
1:11.72 |
-1.44 |
| 11 |
Borden, Elliott D (13)
|
NIBAAC |
1:15.95 |
1:11.92 |
-4.03 |
| 12 |
Fritsch, Victor E (14)
|
NITTSC |
1:12.52 |
1:13.04 |
0.52 |
| 13 |
Mintz, Dominic S (13)
|
NICLSC |
1:12.65 |
1:13.42 |
0.77 |
| 14 |
Burkett, Aaron C (13)
|
NISTAR |
1:20.78 |
1:17.65 |
-3.13 |
| 15 |
Attea, Phillip (13)
|
NIVELO |
|
1:18.97 |
- |
| 16 |
Domster, Aidan M (13)
|
NISTAR |
1:19.26 |
1:19.45 |
0.19 |
| 17 |
Betterelli, Tristan J (13)
|
NIVELO |
1:28.11 |
1:21.46 |
-6.65 |
| 18 |
Harhigh, Robert H (14)
|
NIVELO |
1:31.59 |
1:25.21 |
-6.38 |
| 19 |
Smith, Bradley C (13)
|
NITTSC |
1:44.97 |
1:28.45 |
-16.52 |
|
Klimczak, Owen C (13)
|
NIVELO |
1:22.37 |
NS |
- |