| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chapman, Thomas C (16)
|
NIVICT |
53.75 |
51.58 |
-2.17 |
| 2 |
Bartone, Callen A (14)
|
NIHAWK |
54.45 |
53.42 |
-1.03 |
| 3 |
Dinh, Benson (14)
|
NIGRSC |
55.46 |
53.73 |
-1.73 |
| 4 |
Gillis, Ian T (16)
|
NIGRSC |
57.12 |
55.61 |
-1.51 |
| 5 |
Specchio, Alan J (17)
|
NIHAWK |
55.36 |
56.04 |
0.68 |
| 6 |
Portwood, Yushi T (14)
|
NIHAWK |
55.36 |
56.75 |
1.39 |
| 7 |
Hahn, Kurt C (13)
|
NIUN-W |
59.63 |
57.41 |
-2.22 |
| 8 |
Wooding, Keegan R (13)
|
NIVICT |
57.34 |
57.56 |
0.22 |
| 9 |
Palumbo, Domenic D (15)
|
NIHAWK |
57.18 |
57.84 |
0.66 |
| 10 |
Bay, Jackson K (13)
|
NIVICT |
1:01.89 |
58.83 |
-3.06 |
| 11 |
Koralewski, Mitchell K (15)
|
NIHAWK |
1:41.98 |
1:02.63 |
-39.35 |
| 12 |
Chapman, Jack E (13)
|
NIVICT |
1:02.07 |
1:03.32 |
1.25 |
| 13 |
Wu, Andrew (14)
|
NIGCOM |
1:07.16 |
1:09.19 |
2.03 |
| 14 |
Peters, Ryan R (14)
|
NIGCOM |
1:24.42 |
1:23.04 |
-1.38 |
| 15 |
Torres, Giovanni A (14)
|
NIRRST |
1:21.32 |
1:26.66 |
5.34 |
|
Gargano, Alexander F (17)
|
NIHAST |
|
NS |
- |