| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sehgal, Ansh (10)
|
PVRY |
42.03 |
41.27 |
-0.76 |
| 2 |
Wilson, George J (9)
|
MDYCM |
47.94 |
42.99 |
-4.95 |
| 3 |
Michel, Joshua T (10)
|
PVRY |
42.95 |
43.57 |
0.62 |
| 4 |
Simpson, Joseph A (10)
|
MDYCM |
46.28 |
44.09 |
-2.19 |
| 5 |
Aubel, Spencer A (9)
|
MDSPY |
51.32 |
44.16 |
-7.16 |
| 6 |
Oliver, Elijah J (9)
|
MASFY |
48.19 |
44.51 |
-3.68 |
| 7 |
Barbe, Elijah L (9)
|
MDCCY |
47.18 |
44.57 |
-2.61 |
| 8 |
Gardella, Kai S (10)
|
PVYSS |
44.51 |
46.12 |
1.61 |
| 9 |
Kim, Ethan (10)
|
MDFCY |
46.87 |
46.18 |
-0.69 |
| 10 |
Edgington, Ryan D (9)
|
MDCCY |
46.58 |
46.59 |
0.01 |
| 11 |
Sherpa, Kalden B (10)
|
MDCATY |
43.90 |
48.24 |
4.34 |
| 12 |
Ackerman, William L (9)
|
MDSPY |
53.98 |
49.37 |
-4.61 |
| 13 |
Belt, Daniel (10)
|
MDFCY |
1:07.81 |
51.52 |
-16.29 |
| 14 |
Schrader, Owen (9)
|
MASFY |
52.41 |
52.60 |
0.19 |
| 15 |
Chambers, Edward (10)
|
MDHFY |
54.31 |
53.26 |
-1.05 |
| 16 |
Ferrero, Adieno N (9)
|
PVRY |
55.90 |
54.56 |
-1.34 |
| 17 |
Bhandari, Kaveesh (10)
|
PVYSS |
54.75 |
55.20 |
0.45 |
| 18 |
Magee, Benjamin (9)
|
PVYASD |
55.96 |
57.72 |
1.76 |
| 19 |
Park, Andrew (9)
|
MDFCY |
1:02.40 |
57.83 |
-4.57 |
|
Williams, Christopher C (10)
|
MADYD |
59.51 |
DQ |
- |
|
Muchiri, Jadi (10)
|
MDCATY |
58.00 |
DQ |
- |