All races
All races where Masuda was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 2018-06-24 | National Championships Japan ME - Road Race |
| 2 | 2018-06-24 | National Championships Japan WJ - Road Race |
| 3 | 2018-06-23 | National Championships Japan MJ - Road Race |
| 4 | 2018-06-23 | National Championships Japan MU - Road Race |
| 5 | 2018-06-22 | National Championships Japan WE - Road Race |
| 6 | 2018-06-22 | National Championships Japan WU23 - Road Race |
| 7 | 2016-11-06 | National Championships Japan MJ - Road Race |