| Lorenzo ZENI | ITA | 2 Races |
| Maximilian ZENKER | GER | 6 Races |
| Giovanna ZERIAL | ITA | 3 Races |
| Fabio ZETZMANN | GER | 5 Races |
| Norman ZEZULA | POL | 22 Races |
| Martin ZGANCÍK | SVK | 9 Races |
| Hongpeng ZHANG | CHN | 5 Races |
| Yu ZHANG | CHN | 6 Races |
| Dong ZHANG | CHN | 5 Races |
| Rong ZHAO | CHN | 3 Races |
| Meng ZHAO | CHN | 10 Races |
| Pengfei ZHENG | CHN | 14 Races |
| Oleg ZHESTKOV | RUS | 18 Races |
| Yu ZHOU | CHN | 26 Races |
| Haisai ZHOU | CHN | 4 Races |