| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Berman, Oliver (12)
|
MAUDAC |
35.41 |
34.81 |
-0.60 |
| 1 |
Ober, Nathan D (12)
|
MAKAY |
39.14 |
35.19 |
-3.95 |
| 1 |
Oppenheimer, Peter J (12)
|
MAUDAC |
|
39.18 |
- |
| 2 |
Stevens, Luke J (12)
|
MAPFY |
36.60 |
34.91 |
-1.69 |
| 2 |
Spruance, Matthew (11)
|
MAKAY |
39.16 |
36.88 |
-2.28 |
| 2 |
Quinn, William J (11)
|
MALCY |
41.11 |
40.13 |
-0.98 |
| 3 |
LaRocca, Jake L (11)
|
MAGAAC |
38.98 |
38.19 |
-0.79 |
| 3 |
Oliver, Justin A (11)
|
MAPFY |
41.70 |
40.32 |
-1.38 |
| 4 |
Keillor, Aidan (12)
|
MAUDAC |
37.90 |
39.30 |
1.40 |
| 4 |
Braithwaite, Max G (11)
|
MAKAY |
41.72 |
40.64 |
-1.08 |
| 5 |
Williams, Mark I (11)
|
MAPFY |
40.60 |
41.07 |
0.47 |
| 6 |
Hou, Harry P (12)
|
MAGAAC |
|
41.81 |
- |
| 7 |
Perrin, Liam J (11)
|
MAKAY |
|
43.41 |
- |
| 8 |
Rodman, Harrison R (11)
|
MALAC |
41.75 |
44.20 |
2.45 |
| 9 |
Zelkind, Maximillian G (11)
|
MAUDAC |
1:00.90 |
46.73 |
-14.17 |
| 10 |
Leary, Jayson M (11)
|
MAUN |
46.14 |
47.78 |
1.64 |
| 11 |
Spain, Zachary N (12)
|
MAGAAC |
47.39 |
48.64 |
1.25 |
| 12 |
McIver-Jenkins, Benjamin A (11)
|
MASERP |
45.63 |
50.58 |
4.95 |
|
Tai, Nathan C (11)
|
MAGAAC |
45.39 |
NS |
- |
|
Duthie, Luke D (12)
|
MAUDAC |
37.65 |
NS |
- |
|
English, Lawson H (12)
|
MAGAAC |
|
NS |
- |
|
Pave, Andrew S (12)
|
MAUDAC |
31.77 |
NS |
- |
|
Ellis, Ryan T (12)
|
MAGAAC |
48.77 |
NS |
- |