Emi Koshitaka has 11 recorded races from Las Vegas, NV, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-02-22 | 2026 Rock 'n' Roll Las Vegas 10k | 10K | 1:05:57 | 1086 |
| 2026-02-22 | 2026 Rock 'n' Roll Las Vegas 10k | 10K | 1:30:06 | 3523 |
| 2026-02-21 | 2026 Rock 'n' Roll Las Vegas 5k | 5K | 29:33 | 789 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas 10k | 10K | 1:02:21 | 768 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas 10k | 10K | 1:21:07 | 2727 |
| 2025-02-22 | 2025 Rock 'n' Roll Las Vegas 5k | 5K | 26:15 | 324 |
| 2024-02-25 | 2024 Rock 'n' Roll Las Vegas 10k | 10K | 1:10:42 | 1452 |
| 2024-02-24 | 2024 Rock 'n' Roll Las Vegas 5k | 5K | 34:04 | 1298 |
| 2024-02-24 | 2024 Rock 'n' Roll Las Vegas 5k | 5K | 41:11 | 2341 |
| 2023-02-25 | 2023 Rock 'n' Roll Las Vegas 5KM | 5K | 38:31 | 1934 |
| 2023-02-25 | 2023 Rock 'n' Roll Las Vegas 5KM | 5K | 39:04 | 2028 |