| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lezi, Daniel L (10)
|
MRGAEL |
40.71 |
42.14 |
1.43 |
| 2 |
Fusco, Ben M (10)
|
MRGAEL |
43.26 |
43.07 |
-0.19 |
| 3 |
Della Pietra, Nicola M (10)
|
CTGYWD |
43.66 |
43.41 |
-0.25 |
| 4 |
Argeros, Spyros (9)
|
MRJCCT |
46.11 |
44.19 |
-1.92 |
| 5 |
Cave, Samuel W (10)
|
MRGAEL |
43.20 |
44.22 |
1.02 |
| 6 |
Bessonette, Jack E (9)
|
MRJCCT |
44.29 |
49.55 |
5.26 |
| 7 |
Bach, Christopher (10)
|
MRGAEL |
|
53.05 |
- |
| 8 |
Dominick, Connor J (9)
|
MRYMID |
51.59 |
55.51 |
3.92 |
| 9 |
Gosdin, Nathaniel (9)
|
MRYMID |
1:01.59 |
57.25 |
-4.34 |
| 10 |
O'Connor, Nathaniel R (9)
|
MRSMC |
56.93 |
58.09 |
1.16 |
| 11 |
Fabbri Purwin, Bernardo (10)
|
MRSMC |
56.23 |
59.08 |
2.85 |
| 12 |
Sicard, Jack M (9)
|
MRSMC |
57.01 |
59.10 |
2.09 |
| 13 |
Lima, Gabriel M (9)
|
CTGYWD |
1:02.71 |
59.57 |
-3.14 |
| 14 |
Dipreta, Christopher (9)
|
CTGYWD |
56.12 |
1:02.14 |
6.02 |
| 15 |
Neary, Matthew (9)
|
MRSMC |
1:00.69 |
1:02.41 |
1.72 |
| 16 |
Lerner, Jonathan E (10)
|
MRSMC |
1:07.81 |
1:03.18 |
-4.63 |
| 17 |
Robredo, Martin (9)
|
CTGYWD |
1:03.54 |
1:03.20 |
-0.34 |
| 18 |
Coogan, Luke E (9)
|
MRSMC |
1:17.78 |
1:16.30 |
-1.48 |
|
Wayne, Davis (9)
|
CTGYWD |
1:05.00 |
DQ |
- |
|
Landers, John A (9)
|
CTGYWD |
57.65 |
DQ |
- |
|
Papaioannou, Georgios F (10)
|
MRGAEL |
|
DQ |
- |
|
Wildstrom, Nevin S (10)
|
MRSMC |
|
DQ |
- |