| Inaocha MAYANGLANBAM | IND | 6 Races |
| Devi MAYANGLANGBAM | IND | 2 Races |
| Joanne MAYER | FRA | 20 Races |
| Keán MAYER | HUN | 7 Races |
| Taras MAZOVSKYI | UKR | 2 Races |
| Piotr MAZUR | POL | 12 Races |
| Lorenzo MAZZARA | ITA | 3 Races |
| Catherine MCARTHUR | AUS | 18 Races |
| Ben MCCALLUM | NZL | 6 Races |
| Jason Stephen Reginald MCCOOMBS | CAN | 6 Races |
| Jason Stephen MCCOOMBS | CAN | 3 Races |
| Jason MCCOOMBS | CAN | 8 Races |
| Marty MCDOWELL | NZL | 9 Races |
| Kaitlyn MCELROY | USA | 32 Races |
| Robert MCINTYRE | AUS | 4 Races |