| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Daniels, Owen D (9)
|
MRNDAC |
43.69 |
41.06 |
-2.63 |
| 2 |
Aquilino, Lorenzo A (9)
|
MRBBSC |
45.38 |
44.51 |
-0.87 |
| 3 |
Dorner, Benjamin (9)
|
MRNDAC |
49.01 |
48.10 |
-0.91 |
| 4 |
Fass, Erik G (10)
|
MRSS |
50.65 |
48.31 |
-2.34 |
| 5 |
Montagnino, Dean V (10)
|
MRBBSC |
49.87 |
49.62 |
-0.25 |
| 6 |
Olsen, Lars O (8)
|
MRFA |
53.48 |
51.01 |
-2.47 |
| 7 |
Licardi, Dominic J (8)
|
MRPBAC |
|
53.64 |
- |
| 8 |
Meddaugh, Brock W (9)
|
MRNDAC |
56.68 |
55.10 |
-1.58 |
| 9 |
Renda, Ronald (10)
|
MRBBSC |
53.49 |
56.03 |
2.54 |
| 10 |
Gentilini, Peter J (10)
|
MRBBSC |
53.86 |
56.63 |
2.77 |
| 10 |
Fass, Liam G (9)
|
MRSS |
1:04.63 |
56.63 |
-8.00 |
| 12 |
O'Connell, Ryan K (10)
|
MRBBSC |
1:03.70 |
57.05 |
-6.65 |
| 13 |
Speare, Troy D (8)
|
MRNDAC |
1:00.38 |
58.04 |
-2.34 |
| 14 |
Sethi, Aadi (10)
|
MRSSL |
|
1:00.18 |
- |
| 15 |
Rounds, Gavin M (9)
|
MRVAC |
|
1:00.32 |
- |
| 16 |
Cooper, Jackson C (9)
|
MRNBS |
1:03.03 |
1:01.73 |
-1.30 |
| 17 |
Swift, Reghan A (10)
|
MRNDAC |
1:02.11 |
1:04.11 |
2.00 |
| 18 |
Degaetani, Trevor F (10)
|
MRSSL |
|
1:05.15 |
- |
| 19 |
Ramsey, Tyler J (9)
|
MRPBAC |
1:03.84 |
1:07.13 |
3.29 |
| 20 |
Neff, Taite E (9)
|
MRFA |
1:08.90 |
1:14.01 |
5.11 |
|
Constancio, Markus A (9)
|
MRNBS |
1:28.10 |
DQ |
- |
|
Burgarelli, Sebastian (9)
|
MRNBS |
|
DQ |
- |
|
Subillag-Dubon, Jason A (10)
|
MRFA |
|
DQ |
- |
|
Montagnino, Tyler F (7)
|
MRBBSC |
1:10.55 |
DQ |
- |
|
Joseph, Frantzy B (10)
|
MRSSL |
|
DQ |
- |
|
Guerrero, Kieren E (8)
|
MRSSL |
|
NS |
- |