| Lane | # | Athlete | Team | Seed |
|---|---|---|---|---|
| 1 | Kaleb Dennis | Fort Mill | NT | |
| 2 | Dalton Horton | Landrum | 1:10.49 | |
| 3 | Emyus Young | Laurens | 1:09.97 | |
| 4 | Colin Thompson | Fort Mill | 1:06.90 | |
| 5 | Jacob Spangler | Greer Middle College Charter | 1:08.94 | |
| 6 | Michael McDonald | Byrnes | 1:10.02 | |
| 7 | Troy Agnew | Broome | 1:10.90 |
| Lane | # | Athlete | Team | Seed |
|---|---|---|---|---|
| 1 | Lathum Jackson | Byrnes | 1:05.02 | |
| 2 | Mason Ostheim | Broome | 1:04.14 | |
| 3 | Zakarion Simpson | Laurens | 1:02.42 | |
| 4 | Alec Baker | Catawba Ridge HS | 1:01.00 | |
| 5 | Jared Isley | Northwestern | 1:02.08 | |
| 6 | Josh McPherson | Dorman | 1:02.95 | |
| 7 | William Jones | Northwestern | 1:04.97 | |
| 8 | Andrew Metz | Spartanburg | 1:05.83 |
| Lane | # | Athlete | Team | Seed |
|---|---|---|---|---|
| 1 | Connor Hill | Nation Ford | 1:00.46 | |
| 2 | Landon Tucker | Woodruff | 59.39 | |
| 3 | Christian Roberts | Spartanburg | 59.21 | |
| 4 | Kyan Sapko | Greer Middle College Charter | 57.35 | |
| 5 | Neale Johnson | Nation Ford | 58.23 | |
| 6 | Spencer Eison | Boiling Springs | 59.31 | |
| 7 | Happy Lea | Woodruff | 1:00.16 | |
| 8 | Noah Hazel | Dorman | 1:00.84 |