| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Parker, Sean J (10)
|
SCAASY |
43.74 |
41.07 |
-2.67 |
| 2 |
Wilson, Charles T (10)
|
SCYSSC |
44.43 |
43.63 |
-0.80 |
| 3 |
Goughneour, Lucas E (10)
|
SCYSSC |
48.07 |
43.70 |
-4.37 |
| 4 |
Montgomery, John G (10)
|
SCYSSC |
|
45.21 |
- |
| 5 |
West, Nathaniel E (10)
|
SCYSSC |
48.54 |
45.41 |
-3.13 |
| 6 |
McDowell, Shamgar E (10)
|
SCYSSC |
50.04 |
45.84 |
-4.20 |
| 7 |
Defelice, Wade (10)
|
SCCCYH |
48.07 |
45.92 |
-2.15 |
| 8 |
Pendergraph, Josiah J (10)
|
SCYSSC |
|
49.55 |
- |
| 9 |
Moore, Emery B (9)
|
SCYSSC |
47.68 |
51.49 |
3.81 |
| 10 |
Wright, Dalton L (8)
|
SCYSSC |
52.20 |
52.52 |
0.32 |
| 11 |
Griffith, Luke M (7)
|
SCYSSC |
1:01.01 |
56.34 |
-4.67 |
| 12 |
Evans, Joseph A (6)
|
SCYSSC |
|
57.22 |
- |
| 13 |
Nesbitt, Ryan (9)
|
SCCCYH |
1:02.51 |
57.35 |
-5.16 |
| 14 |
Wilson, Parker J (7)
|
SCYSSC |
1:05.21 |
57.60 |
-7.61 |
| 15 |
Riedel, Micah (8)
|
SCCCYH |
1:00.39 |
1:04.06 |
3.67 |
| 16 |
Lorio, Mason (8)
|
SCAASY |
|
1:04.35 |
- |
| 17 |
Price, Matthew T (9)
|
SCYSSC |
|
1:05.81 |
- |
| 18 |
Mead, Keaton R (7)
|
SCAASY |
|
1:06.12 |
- |
| 19 |
Baker, Dalton C (9)
|
NCWNCY |
|
1:06.42 |
- |
| 20 |
Ruiz, Brett A (7)
|
SCYSSC |
1:21.36 |
1:09.86 |
-11.50 |
| 21 |
Barnhill, Robert (9)
|
SCCCYH |
1:07.57 |
1:10.24 |
2.67 |
|
Glaser, Becker W (9)
|
SCYSSC |
|
DQ |
- |
|
Rudolph, Alistair C (10)
|
SCYSSC |
|
DQ |
- |