| Name | State | Time | Year |
|---|---|---|---|
| Owen Horeni | IL | 1:48.58 | 2026 |
| Daniel Watcke | IL | 1:48.59 | 2023 |
| Ben Gorsage | IL | 1:48.60 | 2026 |
| Patrick Hilby | IL | 1:48.81 | 2023 |
| Bryson Nielson | AZ | 1:49.53 | 2025 |
| Lucas Alberts | CA | 1:49.59 | 2026 |
| Gus Simmons | NC | 1:49.63 | 2026 |
| Ethan Walther | DE | 1:49.92 | 2024 |
| Owen Wolfe | IA | 1:49.92 | 2025 |
| Alexander Waldie | KS | 1:49.97 | 2023 |