| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Barnett, Brig A (10)
|
PVRMSC |
43.88 |
38.79 |
-5.09 |
| 2 |
Phillips, Dain S (10)
|
PVRMSC |
41.79 |
40.70 |
-1.09 |
| 3 |
Schultz, Travis H (10)
|
PVRMSC |
43.50 |
40.90 |
-2.60 |
| 4 |
Lan, Owen C (10)
|
PVRMSC |
42.52 |
41.57 |
-0.95 |
| 5 |
Rooney, Seamus (10)
|
PVRMSC |
42.88 |
41.95 |
-0.93 |
| 6 |
Hanson, Timothy J (10)
|
PVRMSC |
44.77 |
42.63 |
-2.14 |
| 7 |
Aronoff, Noah A (9)
|
PVRMSC |
45.58 |
44.18 |
-1.40 |
| 8 |
Ye, Anson (9)
|
PVRMSC |
|
44.43 |
- |
| 9 |
Kissel, Andrew J (10)
|
PVTIBU |
45.08 |
44.63 |
-0.45 |
| 10 |
Chandran, Alexander (10)
|
PVRMSC |
45.14 |
44.92 |
-0.22 |
| 11 |
Belopolskiy, Simon A (10)
|
PVRMSC |
47.08 |
44.96 |
-2.12 |
| 12 |
Hua, Ethan Y (9)
|
PVRMSC |
45.86 |
45.39 |
-0.47 |
| 13 |
Brown, William (10)
|
PVRMSC |
|
45.44 |
- |
| 14 |
Lutz, Oliver R (10)
|
PVRMSC |
46.34 |
45.54 |
-0.80 |
| 15 |
Duma, John M (10)
|
PVTOLL |
46.48 |
45.57 |
-0.91 |
| 16 |
Yang, Henry J (9)
|
PVRMSC |
47.33 |
45.71 |
-1.62 |
| 17 |
Drake, Andrew E (9)
|
PVRMSC |
47.06 |
46.89 |
-0.17 |
| 18 |
Hill, Jack R (10)
|
PVRMSC |
47.79 |
47.24 |
-0.55 |
| 19 |
McCurdy, Ethan R (10)
|
PVRMSC |
45.70 |
48.05 |
2.35 |
| 20 |
Jeffery, Harry J (10)
|
PVRMSC |
50.24 |
48.18 |
-2.06 |
| 21 |
Soles, Isaac L (9)
|
PVRMSC |
54.11 |
48.26 |
-5.85 |
| 22 |
Jungbluth, Alexander N (9)
|
PVRMSC |
48.77 |
49.19 |
0.42 |
| 23 |
Shan, Andrew D (9)
|
PVRMSC |
|
49.63 |
- |
| 24 |
Rosner, Matthew C (9)
|
PVRMSC |
48.45 |
49.66 |
1.21 |
| 25 |
Hao, Jason (8)
|
PVPAC |
1:03.31 |
50.03 |
-13.28 |
| 26 |
Guo, Matthew S (10)
|
PVRMSC |
49.23 |
50.34 |
1.11 |
| 27 |
du Lac, Miles M (9)
|
PVTOLL |
50.85 |
51.20 |
0.35 |
| 28 |
Yoon, Anthony D (9)
|
PVUN |
57.90 |
54.59 |
-3.31 |
| 29 |
Toker-Katskee, Alexander P (10)
|
PVTOLL |
56.99 |
55.21 |
-1.78 |
| 30 |
Fry, Patrick M (9)
|
PVRMSC |
|
57.31 |
- |
| 31 |
Campbell, Jacob O (5)
|
PVMSSC |
|
1:02.92 |
- |