| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mahajan, Armaan (9)
|
MRTS |
49.67 |
49.54 |
-0.13 |
| 2 |
VanDormolen, Morgan H (10)
|
MRTS |
50.82 |
49.56 |
-1.26 |
| 3 |
Sciortino, Daniel J (9)
|
MRLIE |
51.27 |
52.01 |
0.74 |
| 4 |
Barron, Lucas C (9)
|
MRWISC |
48.72 |
52.07 |
3.35 |
| 5 |
Shields, Ryan S (9)
|
MRSSC |
54.61 |
52.08 |
-2.53 |
| 6 |
Hussein, Noah W (10)
|
MRTS |
51.86 |
52.78 |
0.92 |
| 7 |
McKenzie, Jason L (9)
|
MRNFS |
55.00 |
57.15 |
2.15 |
| 8 |
Mathelier, Carlton J (10)
|
MRSSC |
1:03.79 |
58.00 |
-5.79 |
| 9 |
Kim, Aidan M (9)
|
MRSSC |
1:05.12 |
1:01.05 |
-4.07 |
| 10 |
Phelan, Christopher J (10)
|
MRTS |
1:09.08 |
1:09.24 |
0.16 |
| 11 |
Garafola, Anthony J (9)
|
MRWISC |
1:15.99 |
1:25.29 |
9.30 |
|
Rasavongseuk, Andrew G (10)
|
MRTS |
43.49 |
45.12 |
1.63 |
|
Weiss, Hunter (10)
|
MRTS |
47.51 |
45.48 |
-2.03 |
|
Kim, Raho (9)
|
MRTS |
1:33.15 |
DQ |
- |
|
Iwasiuk, Matthew M (10)
|
MRWISC |
1:23.20 |
DQ |
- |
|
Younas, Farhan (10)
|
MRTS |
1:03.56 |
DQ |
- |
|
Napolitano, Michael (10)
|
MRTS |
1:08.95 |
DQ |
- |
|
Holfester, Alexander (9)
|
MRTS |
1:01.02 |
DQ |
- |
|
Slupski, Gabriel J (10)
|
MRSSC |
|
DQ |
- |
|
Rose-Freaney, Matthew P (9)
|
MRSSC |
1:00.51 |
DQ |
- |
|
Thota, Dhruv (10)
|
MRLIE |
57.20 |
DQ |
- |
|
Galler, Jacob (10)
|
MRTS |
57.39 |
NS |
- |