| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nunez, Ryan (17)
|
MRLIE |
50.11 |
51.96 |
1.85 |
| 2 |
Weingarten, Tristan J (16)
|
MRCSDC |
51.44 |
53.12 |
1.68 |
| 3 |
Rhodes, Nicholas A (17)
|
MRLIE |
50.41 |
53.20 |
2.79 |
| 4 |
Keene, Jack W (17)
|
MRLIE |
53.62 |
54.03 |
0.41 |
| 5 |
Santana, Eduardo J (17)
|
MRLIE |
53.11 |
54.10 |
0.99 |
| 6 |
Egan, Kieran R (17)
|
MRLGAC |
54.10 |
54.16 |
0.06 |
| 7 |
Rasquinha, Rohit A (17)
|
MRLIE |
53.53 |
54.34 |
0.81 |
| 8 |
Rasquinha, Ranjan J (17)
|
MRLIE |
53.41 |
54.99 |
1.58 |
| 9 |
Youssef, Mohamed S (16)
|
MRLGAC |
54.80 |
55.04 |
0.24 |
| 10 |
Khanas, Vladyslav O (17)
|
MRLIE |
54.14 |
55.77 |
1.63 |
| 11 |
Broderick, Patrick V (17)
|
MRLIE |
52.08 |
56.04 |
3.96 |
| 12 |
Paggi, Zachary A (13)
|
MRLIE |
59.26 |
56.27 |
-2.99 |
| 13 |
Yuan, XI (14)
|
MRLIE |
57.78 |
57.57 |
-0.21 |
| 14 |
Paragas, Luke E (17)
|
MRLGAC |
58.03 |
57.72 |
-0.31 |
| 15 |
Zhao, Matthew J (15)
|
MRLIE |
1:01.53 |
57.79 |
-3.74 |
| 16 |
Argeros, Spyros N (13)
|
MRYFD |
1:01.11 |
57.83 |
-3.28 |
| 17 |
Siudzinski, William C (17)
|
MRYFD |
55.76 |
57.99 |
2.23 |
| 18 |
Sherpa, Nuru (15)
|
MRLGAC |
59.70 |
58.77 |
-0.93 |
| 19 |
Shibalov, Vladimir K (17)
|
MRYFD |
|
58.97 |
- |
| 20 |
Apat, Joseph R (16)
|
MRLIE |
58.65 |
59.71 |
1.06 |
| 21 |
Schmitt, Alexander J (16)
|
MRLIE |
1:00.63 |
59.80 |
-0.83 |
| 22 |
NG, Ryan Y (16)
|
MRLGAC |
1:03.19 |
59.84 |
-3.35 |
| 23 |
Li, Austin T (15)
|
MRLIE |
59.47 |
1:00.05 |
0.58 |
| 24 |
Andrejczuk, Peter (15)
|
MRLIE |
1:07.42 |
1:00.22 |
-7.20 |
| 25 |
Mezzoli, Davide (16)
|
MRLGAC |
58.55 |
1:00.84 |
2.29 |
| 26 |
Specht, Sam T (16)
|
MRIA |
1:03.18 |
1:00.89 |
-2.29 |
| 27 |
Xiao, Peter (16)
|
MRLIE |
|
1:01.73 |
- |
| 28 |
Smith, Edwin J (17)
|
MRIA |
1:01.70 |
1:02.71 |
1.01 |
| 29 |
Hertel, Kevin A (15)
|
MRLIE |
1:00.60 |
1:03.21 |
2.61 |
| 30 |
Hynes, Aidan J (14)
|
MRLIE |
1:05.51 |
1:04.17 |
-1.34 |
| 31 |
Klimek, Matt (16)
|
MRLIE |
1:03.18 |
1:04.71 |
1.53 |
| 32 |
Jing, Haniel (15)
|
MRLGAC |
1:08.20 |
1:05.09 |
-3.11 |
| 33 |
McCaffrey, Matthew B (15)
|
MRLIE |
1:06.53 |
1:07.63 |
1.10 |
| 34 |
Olsen, Luke D (17)
|
MRCSDC |
1:05.94 |
1:07.70 |
1.76 |
| 35 |
Davi, Finn N (15)
|
MRLIE |
1:21.34 |
1:08.12 |
-13.22 |
| 35 |
King, Anthony S (15)
|
MRHES |
1:05.21 |
1:08.12 |
2.91 |
| 37 |
DeWalle, Adam Z (15)
|
MRYFD |
1:11.08 |
1:10.59 |
-0.49 |
| 38 |
Reed, Ryan H (15)
|
MRCSDC |
1:28.01 |
1:25.57 |
-2.44 |
|
Souberbielle, Santiago G (15)
|
MRLIE |
1:02.44 |
NS |
- |
|
Mendez, Miguel A (15)
|
MRYFD |
|
NS |
- |
|
Bishop, William L (18)
|
MRYFD |
54.90 |
NS |
- |