Masayoshi Negi has 2 recorded races from Iwata, JP-22, JP.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-02-22 | 2026 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 1:29:15 | 149 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 1:31:44 | 177 |