| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tucker, Bradley S (7)
|
MRBGNW |
44.20 |
41.77 |
-2.43 |
| 2 |
Argeros, Alexander L (7)
|
MRJCCT |
|
42.64 |
- |
| 3 |
Bachkosky, Reid S (7)
|
MRBGNW |
|
42.79 |
- |
| 4 |
Fabbri Purwin, Nikolai (7)
|
MRSMC |
59.90 |
42.97 |
-16.93 |
| 5 |
Aikman, Giles R (7)
|
MRYMID |
1:03.59 |
50.19 |
-13.40 |
| 6 |
Bensason, Ethan (7)
|
MRYFD |
53.79 |
51.18 |
-2.61 |
| 7 |
Valenton, David A (6)
|
CTZEUS |
1:11.09 |
51.95 |
-19.14 |
| 8 |
Garcia-Reyes, Johann (7)
|
CTZEUS |
58.93 |
52.45 |
-6.48 |
| 9 |
Zissu, Jake N (7)
|
MRBGNW |
1:06.21 |
54.82 |
-11.39 |
| 10 |
Feinstein, Maxwell J (6)
|
MRYFD |
52.49 |
56.62 |
4.13 |
| 11 |
Rutherford, Cameron J (6)
|
MRSMC |
|
59.54 |
- |
| 12 |
Kim, Sean T (7)
|
MRYFD |
|
59.67 |
- |
| 13 |
Appelman, Leon A (7)
|
MRYFD |
|
1:04.56 |
- |
| 14 |
Loucopoulos, Christian A (7)
|
MRYFD |
|
1:10.84 |
- |
| 15 |
Klein, Elias P (7)
|
MRYFD |
|
1:11.09 |
- |
| 16 |
Donovan, James R (6)
|
MRYMID |
|
1:20.96 |
- |
|
Boston, Richard N (7)
|
MRYFD |
|
DQ |
- |