| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kipshidze, George (17)
|
MRSSC |
54.28 |
55.93 |
1.65 |
| 2 |
Carrenard, Justice A (15)
|
MRAGUA |
58.22 |
56.91 |
-1.31 |
| 3 |
Chang, Cato A (15)
|
MRAGUA |
57.29 |
57.42 |
0.13 |
| 4 |
Martinez, Cameron A (17)
|
MRFA |
1:00.24 |
58.59 |
-1.65 |
| 5 |
Byrne, Jaden N (14)
|
MRFA |
59.08 |
59.12 |
0.04 |
| 6 |
Gordon, Matthew A (17)
|
MRAGUA |
1:01.87 |
1:00.40 |
-1.47 |
| 7 |
Valle, Matthew J (16)
|
MRFA |
1:01.17 |
1:01.42 |
0.25 |
| 8 |
Shemetov, Daniel B (15)
|
MRFA |
1:00.73 |
1:01.65 |
0.92 |
| 9 |
Rice, Maverick D (16)
|
MRCSDC |
1:01.47 |
1:02.16 |
0.69 |
| 10 |
Gorman, Kyle (16)
|
MRCSDC |
1:01.12 |
1:02.63 |
1.51 |
| 11 |
Lipton, Matthew (15)
|
MRAGUA |
1:05.26 |
1:02.68 |
-2.58 |
| 12 |
Contreras, Jose A (16)
|
MRYMID |
1:04.15 |
1:03.17 |
-0.98 |
| 13 |
Sun, William Y (16)
|
MRTVSC |
56.14 |
1:03.63 |
7.49 |
| 14 |
Landgraf, Timothy A (13)
|
MRFREE |
1:07.18 |
1:06.31 |
-0.87 |
| 15 |
Pepper, Hudson M (12)
|
MRFREE |
1:08.72 |
1:06.84 |
-1.88 |
| 16 |
Reilly, Jayden T (15)
|
MRSSC |
1:05.71 |
1:07.39 |
1.68 |
| 17 |
Kwan, William (14)
|
MRFREE |
1:01.63 |
1:07.57 |
5.94 |
| 18 |
Fitzgerald, Jason L (15)
|
MRSSC |
1:25.22 |
1:07.67 |
-17.55 |
| 19 |
Han, Ethan (10)
|
MRNYCP |
1:16.20 |
1:15.80 |
-0.40 |
| 20 |
Perisa, Marko C (13)
|
MRLBA |
1:16.96 |
1:17.48 |
0.52 |
| 21 |
Metzger, Andrew P (13)
|
MRSSC |
1:21.13 |
1:18.60 |
-2.53 |
| 22 |
Ko, Hayden (10)
|
MRNYCP |
1:16.01 |
1:19.44 |
3.43 |
| 23 |
Mancino, Michael V (13)
|
MRSSC |
1:40.00 |
1:24.17 |
-15.83 |
| 24 |
Llorente Valin, Leonardo (12)
|
MRYMID |
1:24.07 |
1:26.15 |
2.08 |
| 25 |
McNamara, Kevin C (12)
|
MRSSC |
1:46.29 |
1:38.60 |
-7.69 |
|
Flowers, Kevin C (11)
|
MRNYCP |
1:17.31 |
NS |
- |
|
Londono, Nicholas G (13)
|
MRTVSC |
1:01.12 |
NS |
- |