| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cha, Samuel (8)
|
MRTS |
42.98 |
41.25 |
-1.73 |
| 2 |
Cimino, Luca S (7)
|
MRFA |
50.66 |
46.26 |
-4.40 |
| 3 |
Rasavongseuk, Andrew G (8)
|
MRLIE |
1:00.00 |
46.34 |
-13.66 |
| 4 |
Weiss, Hunter (8)
|
MRTS |
47.89 |
46.48 |
-1.41 |
| 5 |
Mahajan, Armaan (7)
|
MRTS |
1:12.03 |
46.66 |
-25.37 |
| 6 |
Schembri, Benjamin J (7)
|
MRTS |
48.10 |
48.16 |
0.06 |
| 7 |
Gatto, Jack A (8)
|
MRTS |
48.48 |
50.30 |
1.82 |
| 8 |
Gritz, Brayden * (8)
|
MRTS |
53.15 |
51.40 |
-1.75 |
| 9 |
Hussein, Noah W (8)
|
MRUN |
58.21 |
51.59 |
-6.62 |
| 10 |
Racz, Dillon C (8)
|
MRLIE |
1:00.00 |
52.55 |
-7.45 |
| 11 |
Oliveri, Nicco (8)
|
MRHAA |
59.40 |
53.88 |
-5.52 |
| 12 |
Rochford, Luke P (7)
|
MRHAA |
51.69 |
54.55 |
2.86 |
| 13 |
Galler, Jacob (7)
|
MRTS |
1:14.90 |
54.91 |
-19.99 |
| 14 |
Sinclair, Thijs R (7)
|
MRLIE |
44.18 |
55.37 |
11.19 |
| 15 |
Frank, Logan R (7)
|
MRSSC |
1:01.66 |
57.40 |
-4.26 |
| 16 |
Reed, Ian (7)
|
MRHAA |
59.77 |
57.73 |
-2.04 |
| 17 |
Phelan, Christopher J (8)
|
MRTS |
1:11.90 |
59.56 |
-12.34 |
| 18 |
Wadham, Thomas (5)
|
MRTS |
1:14.95 |
1:02.77 |
-12.18 |
| 19 |
Catalanotto, Madden (7)
|
MRHAA |
|
1:03.16 |
- |
| 20 |
Morelli, Kellan (6)
|
MRHAA |
|
1:04.51 |
- |
| 21 |
Singer, Jeremy (7)
|
MRTS |
1:14.90 |
1:05.46 |
-9.44 |
| 22 |
Cahalane, Jack J (6)
|
MRTS |
1:28.78 |
1:06.73 |
-22.05 |
| 23 |
Rosslee, Zane (6)
|
MRTS |
1:08.87 |
1:06.87 |
-2.00 |
| 24 |
Singer, Thomas (5)
|
MRTS |
1:16.00 |
1:07.96 |
-8.04 |
| 25 |
Valazquez, Jonathan (8)
|
MRTS |
1:13.95 |
1:11.27 |
-2.68 |
| 26 |
Kim, Elliot (8)
|
MRTS |
1:13.90 |
1:13.18 |
-0.72 |
| 27 |
Sherwood, Jameson W (8)
|
MRLIE |
1:10.00 |
1:14.06 |
4.06 |
|
Wadham, Andrew (7)
|
MRTS |
48.58 |
DQ |
- |