| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Calat, Drew R (7)
|
MRBGNW |
40.30 |
40.06 |
-0.24 |
| 2 |
Ladeira, Marcus C (8)
|
MRLGAC |
42.03 |
40.69 |
-1.34 |
| 3 |
Gibbons, Andrew J (8)
|
MRCOND |
|
40.93 |
- |
| 4 |
Silverman, Owen S (8)
|
MRCOND |
39.17 |
40.98 |
1.81 |
| 5 |
Ponce-Erickson, Konnor (8)
|
MRCOND |
50.26 |
44.81 |
-5.45 |
| 6 |
Hennessee, August R (8)
|
MRBGNW |
46.15 |
49.02 |
2.87 |
| 7 |
Farrelly, Patrick E (8)
|
MRWEST |
|
49.11 |
- |
| 8 |
Hassanzadeh, Sam (8)
|
MRBGNW |
|
50.10 |
- |
| 9 |
Cushing-Savvi, Silas V (7)
|
MRCOND |
|
51.42 |
- |
| 10 |
Diab, Duke G (8)
|
MRCOND |
59.70 |
55.19 |
-4.51 |
| 11 |
Konieczny, Eryk P (8)
|
MRWEST |
|
56.17 |
- |
| 12 |
Cordero, Arden P (8)
|
MRWEST |
1:08.11 |
56.27 |
-11.84 |
| 13 |
Sawyer, Maison L (8)
|
MRCOND |
|
57.58 |
- |
| 14 |
Pan, Arthur H (7)
|
MRLIFE |
|
1:04.37 |
- |
| 15 |
Fishman, Ellis G (7)
|
MRWEST |
1:20.96 |
1:11.34 |
-9.62 |