| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Harner, Jake S (12)
|
MDOPST |
37.97 |
38.26 |
0.29 |
| 2 |
Schrader, Owen (12)
|
MASFY |
40.01 |
41.12 |
1.11 |
| 3 |
Turner, Owen (12)
|
MDRFY |
41.24 |
41.16 |
-0.08 |
| 4 |
Harris, Rodney (12)
|
MDRFY |
41.60 |
42.22 |
0.62 |
| 5 |
Seip, Jonah R (12)
|
MDHFY |
43.91 |
44.13 |
0.22 |
| 6 |
Ryu, Daniel (11)
|
MDHFY |
47.20 |
46.02 |
-1.18 |
| 7 |
Kim, Minjun (12)
|
MDHFY |
48.81 |
48.39 |
-0.42 |
| 8 |
Britt, Andrew (12)
|
MDHFY |
51.21 |
49.29 |
-1.92 |
| 9 |
Reeder, Thomas P (11)
|
MDHFY |
52.74 |
51.90 |
-0.84 |
| 9 |
West, Benjamin (11)
|
MDHFY |
55.31 |
51.90 |
-3.41 |
| 11 |
Strawley, Jamison M (11)
|
MDOPST |
57.92 |
55.52 |
-2.40 |
| 12 |
Learn, Sebastian (12)
|
MDHFY |
1:12.95 |
1:05.51 |
-7.44 |
| 13 |
Willey, Sean (11)
|
MDHFY |
1:03.66 |
1:11.39 |
7.73 |
|
Okoya, LeRoy (11)
|
MDHFY |
57.93 |
DQ |
- |
|
Son, Geonhui (12)
|
MDHFY |
|
DQ |
- |
|
Alder, Dashiell H (11)
|
MDHFY |
|
DQ |
- |
|
Ratliff, Michael (11)
|
MADYD |
45.11 |
NS |
- |
|
St Pierre, Matthew W (12)
|
MDOPST |
53.52 |
NS |
- |
|
Church, William T (11)
|
MDHFY |
1:05.24 |
NS |
- |