| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Braun, Seth T (12)
|
ADNTS |
39.36 |
37.92 |
-1.44 |
| 2 |
Berin, Benjamin E (12)
|
ADDELM |
43.61 |
40.37 |
-3.24 |
| 3 |
Goodspeed, Luke R (12)
|
ADGLEN |
43.06 |
41.20 |
-1.86 |
| 4 |
Kabunov, Mikhail V (11)
|
NIJETS |
45.19 |
41.50 |
-3.69 |
| 5 |
Keller, Brady C (11)
|
ADCPP |
46.55 |
43.55 |
-3.00 |
| 6 |
Wilson, Edmund (12)
|
MRNDAC |
50.11 |
44.48 |
-5.63 |
| 7 |
Zeliph jr., Jason E (12)
|
ADALBS |
51.40 |
46.23 |
-5.17 |
| 8 |
Rafferty, Ethan M (12)
|
ADUN |
46.92 |
47.63 |
0.71 |
| 9 |
VanAlst, Amon J (11)
|
ADUN |
53.12 |
48.98 |
-4.14 |
| 10 |
Civerolo, Zachary K (11)
|
ADUN |
48.42 |
49.88 |
1.46 |
| 11 |
Napier, Alexander W (11)
|
NISDSC |
59.37 |
50.03 |
-9.34 |
| 12 |
Holmes, Sheldon H (12)
|
ADNHA |
48.29 |
50.12 |
1.83 |
| 13 |
LaFountain, Tobias P (11)
|
ADALBS |
1:00.45 |
50.35 |
-10.10 |
| 14 |
Reichl, Dylan J (11)
|
ADUN |
|
51.33 |
- |
| 15 |
Bulumulla, Vidhu D (12)
|
ADALBS |
|
52.31 |
- |
| 16 |
Leung, Arthur (11)
|
ADCPP |
51.68 |
52.83 |
1.15 |
| 17 |
Armendariz-Huang, Daniel P (11)
|
ADNTS |
57.10 |
54.04 |
-3.06 |
| 18 |
Wilkosz, Matthew M (11)
|
ADCLIN |
58.04 |
54.34 |
-3.70 |
| 19 |
Stone, Brody J (12)
|
ADEELS |
56.65 |
54.63 |
-2.02 |
| 20 |
Hook, Gavin M (11)
|
ADCPP |
56.96 |
56.89 |
-0.07 |
| 21 |
Simmons, Cooper Z (11)
|
ADCPP |
57.73 |
57.81 |
0.08 |
| 22 |
McCoy, William G (11)
|
ADCPP |
59.43 |
58.75 |
-0.68 |
| 23 |
Martin, Oliver M (11)
|
ADNTS |
1:26.44 |
1:00.92 |
-25.52 |
| 24 |
Upton, Matthew T (11)
|
ADCPP |
1:04.89 |
1:05.22 |
0.33 |
| 25 |
Carroll, Luke J (12)
|
ADUN |
56.89 |
1:05.30 |
8.41 |
| 26 |
Morgan, Finn E (12)
|
ADCLRK |
1:06.32 |
1:08.15 |
1.83 |
| 27 |
Fermon, Zane I (12)
|
ADUN |
1:07.07 |
1:11.61 |
4.54 |
|
Drake, John T (12)
|
ADNHA |
|
DQ |
- |
|
Krupski, Roman J (12)
|
ADCLIN |
51.59 |
NS |
- |