| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brown, Samuel J (15)
|
ADBFIN |
48.24 |
48.30 |
0.06 |
| 2 |
Herbinger, Devin R (18)
|
ADBFIN |
53.93 |
54.01 |
0.08 |
| 3 |
Baird, Connor S (15)
|
ADSCHE |
56.46 |
54.24 |
-2.22 |
| 4 |
Insley, Benjamin R (15)
|
ADWAVE |
56.69 |
54.43 |
-2.26 |
| 5 |
Zhang, James R (15)
|
ADBFIN |
55.86 |
54.85 |
-1.01 |
| 6 |
Mieu, Kevin (15)
|
ADBFIN |
56.22 |
55.29 |
-0.93 |
| 7 |
Tobias-Wallingford, Owen H (16)
|
ADBFIN |
59.52 |
56.69 |
-2.83 |
| 8 |
McFarland, Finnegan D (14)
|
ADBFIN |
58.63 |
56.73 |
-1.90 |
| 9 |
Staff, Brody J (13)
|
ADALBS |
59.52 |
59.51 |
-0.01 |
| 10 |
Kendall, Justin T (15)
|
ADUSAM |
1:00.72 |
59.85 |
-0.87 |
| 11 |
VanAlst, Amon J (13)
|
ADUN |
1:02.32 |
1:01.73 |
-0.59 |
| 12 |
Rafferty, Ethan M (13)
|
ADUN |
1:05.28 |
1:05.44 |
0.16 |
| 13 |
Carroll, Luke J (13)
|
ADUN |
1:06.60 |
1:05.52 |
-1.08 |
| 14 |
Reichl, Dylan J (13)
|
ADBFIN |
1:07.67 |
1:06.96 |
-0.71 |
| 15 |
Fermon, Zane I (14)
|
ADUN |
1:14.14 |
1:15.81 |
1.67 |
| 16 |
Tonic, Tyshaun D (14)
|
ADJJSC |
1:34.80 |
1:38.03 |
3.23 |
|
Stoddart Sybliss, Jonathan L (13)
|
ADHAWK |
1:16.88 |
NS |
- |
|
Demis, Alexander J (16)
|
ADHAWK |
50.14 |
NS |
- |
|
D'Angelo, William C (14)
|
ADHAWK |
54.68 |
NS |
- |