All races
All races where Oshima was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 2016-06-26 | National Championships Japan - Road Race |
| 2 | 2016-06-25 | National Championships Japan MU - Road Race |
| 3 | 2016-06-25 | National Championships Japan WE - Road Race |
| 4 | 2016-06-24 | National Championships Japan WJ - ITT |
| 5 | 2016-06-24 | National Championships Japan MJ - ITT |
| 6 | 2016-06-24 | National Championships Japan U23 - ITT |
| 7 | 2016-06-24 | National Championships Japan ME - ITT |
| 8 | 2016-06-24 | National Championships Japan WE - ITT |
| 9 | 2016-01-24 | Asian Continental Championships ME - Road Race |
| 10 | 2016-01-23 | Asian Continental Championships MU - Road Race |
| 11 | 2016-01-23 | Asian Continental Championships WE - Road Race |
| 12 | 2016-01-22 | Asian Continental Championships WJ - Road Race |
| 13 | 2016-01-22 | Asian Continental Championships MJ - Road Race |
| 14 | 2016-01-21 | Asian Continental Championships ME - ITT |
| 15 | 2016-01-21 | Asian Cycling Championships - WJ - ITT |
| 16 | 2016-01-21 | Asian Continental Championships WE - ITT |
| 17 | 2016-01-20 | Asian Continental Championships MJ - ITT |
| 18 | 2016-01-20 | Asian Continental Championships MU - ITT |