| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Stellmach, Nathan (14)
|
CTGWYB |
50.21 |
49.54 |
-0.67 |
| 2 |
Urgo, Michael D (14)
|
NEWEST |
50.75 |
50.00 |
-0.75 |
| 3 |
Hidalgo, Carlos M (14)
|
MALEBY |
50.56 |
50.49 |
-0.07 |
| 4 |
Roth, Joseph C (13)
|
AMRACE |
50.79 |
50.54 |
-0.25 |
| 5 |
Juhasz, Joshua E (14)
|
MAWEST |
51.01 |
50.65 |
-0.36 |
| 6 |
Retsch, William M (14)
|
AMHD |
51.03 |
50.77 |
-0.26 |
| 7 |
Nahoum, Scott J (14)
|
NJPAA |
51.16 |
50.95 |
-0.21 |
| 8 |
Peterson, Max I (13)
|
NJPAA |
50.19 |
51.24 |
1.05 |
| 9 |
Morse, Elliot J (14)
|
NEKING |
50.86 |
51.37 |
0.51 |
| 10 |
Williams, Giovanni C (14)
|
NIPACK |
50.68 |
51.41 |
0.73 |
| 11 |
Laubacher, Will G (14)
|
AMPRA |
51.14 |
51.71 |
0.57 |
| 12 |
Byrne, Jaden N (14)
|
MRFA |
50.46 |
51.75 |
1.29 |
| 13 |
Jameson, Clayton P (14)
|
PVASTS |
51.03 |
52.08 |
1.05 |
|
Kaback, Max F (14)
|
ADALBS |
49.29 |
NS |
- |
|
Kim, Eric C (14)
|
PVNCAP |
49.55 |
NS |
- |
|
Zornan Ferguson, Zachary D (13)
|
AMRXA |
49.39 |
NS |
- |