| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nwosu, Jidechukwu D (10)
|
MRCIY |
42.56 |
41.12 |
-1.44 |
| 2 |
Sungrab, Henry T (10)
|
MRLGAC |
41.07 |
42.75 |
1.68 |
| 3 |
Corcuera, Christian L (10)
|
MRLGAC |
42.40 |
42.79 |
0.39 |
| 4 |
Chang, Matthew P (10)
|
MRCIY |
44.66 |
43.40 |
-1.26 |
| 5 |
Ding, Charlie W (10)
|
MRFLY |
43.08 |
44.96 |
1.88 |
| 6 |
Dissanayake, Ryan B (10)
|
MRFLY |
45.03 |
45.26 |
0.23 |
| 7 |
Loremil, Noah (10)
|
MRCIY |
46.98 |
46.05 |
-0.93 |
| 8 |
Chang, Matthew A (10)
|
MRFLY |
47.10 |
46.34 |
-0.76 |
| 9 |
Martinez, Riley P (10)
|
MRCIY |
47.66 |
46.73 |
-0.93 |
| 10 |
Neal, Delano K (8)
|
MRLGAC |
48.63 |
46.94 |
-1.69 |
| 11 |
Bisono, Aaron L (9)
|
MRFLY |
49.23 |
47.93 |
-1.30 |
| 12 |
Lee, Crane (9)
|
MRFLY |
47.74 |
48.30 |
0.56 |
| 13 |
Gelvez-Cisneros, Alexander (9)
|
MRLGAC |
50.69 |
48.32 |
-2.37 |
| 14 |
Nwosu, Tobenna D (9)
|
MRCIY |
49.27 |
48.71 |
-0.56 |
| 15 |
Bowen, Julian P (9)
|
MRLGAC |
46.62 |
48.78 |
2.16 |
| 16 |
Turi, Abel (10)
|
MRRED |
48.85 |
49.48 |
0.63 |
| 17 |
Graham, Jasper A (9)
|
MRRED |
51.17 |
51.26 |
0.09 |
| 18 |
Man, Daniel (9)
|
MRFLY |
51.13 |
51.37 |
0.24 |
| 19 |
Pace, George (10)
|
MRFLY |
51.27 |
51.52 |
0.25 |
| 20 |
O'Sullivan, Tiarnan M (8)
|
MRLGAC |
51.83 |
51.68 |
-0.15 |
| 21 |
Horiuchi, Carlos H (9)
|
MRLGAC |
58.92 |
51.71 |
-7.21 |
| 22 |
Rateshwar, Dylan (9)
|
MRLIE |
56.51 |
52.44 |
-4.07 |
| 23 |
Ratling, Phuntsok W (8)
|
MRLGAC |
49.84 |
52.71 |
2.87 |
| 24 |
Zheng, Jeremy A (10)
|
MRLGAC |
52.73 |
52.83 |
0.10 |
| 25 |
Loremil, Lucas (10)
|
MRCIY |
55.85 |
52.98 |
-2.87 |
| 26 |
Mancuso, Ryan H (8)
|
MRLIE |
1:05.51 |
53.34 |
-12.17 |
| 27 |
Chung, Kevin (9)
|
MRGATE |
42.00 |
53.81 |
11.81 |
| 28 |
Drencko, Nicholas (9)
|
MRLGAC |
56.14 |
54.82 |
-1.32 |
| 29 |
Pena, Jorge A (9)
|
MRRED |
56.52 |
57.68 |
1.16 |
| 30 |
Zhu, Zhibin (9)
|
MRFLY |
|
58.41 |
- |
| 31 |
Levine, Maxwell H (9)
|
MRLIE |
1:05.00 |
58.91 |
-6.09 |
| 32 |
Mileo, Peter J (10)
|
MRLIE |
1:15.00 |
1:00.61 |
-14.39 |
| 33 |
Miranda, Ethan J (8)
|
MRFLY |
|
1:01.01 |
- |
| 34 |
Mendoza, Paolo Anton G (8)
|
MRFLY |
|
1:02.58 |
- |
| 35 |
Luczaj, Daniel (8)
|
MRLGAC |
|
1:03.00 |
- |
| 36 |
Sherwood, Donovan W (10)
|
MRLIE |
1:02.51 |
1:04.18 |
1.67 |
| 37 |
Cristea, Andrew (7)
|
MRLGAC |
|
1:05.10 |
- |
| 38 |
Carss, Jack A (8)
|
MRASAP |
|
1:17.14 |
- |
|
WU, Aidan (7)
|
MRLIE |
1:04.98 |
DQ |
- |
|
Wang, Nathan (8)
|
MRLIE |
1:05.00 |
DQ |
- |
|
Huang, Bill (7)
|
MRFLY |
|
DQ |
- |
|
Bice, Cavan T (10)
|
MRCIY |
|
DQ |
- |
|
Zell, Darius W (10)
|
MRASAP |
|
DQ |
- |