Chiaki Tsumori has 5 recorded races from Brooklyn, NY, USA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-05-17 | 2025 RBC Brooklyn Half | Half Marathon | 2:22:39 | 20272 |
| 2023-05-20 | 2023 RBC Brooklyn Half | Half Marathon | 2:05:33 | 13756 |
| 2022-05-21 | 2022 RBC Brooklyn Half | Half Marathon | 2:10:30 | 10513 |
| 2019-05-18 | 2019 Popular Brooklyn Half | Half Marathon | 2:22:34 | 20416 |
| 2018-05-19 | 2018 Popular Brooklyn Half | Half Marathon | 2:24:06 | 20258 |