| Rider # | Class Level | Class Letter | First Name | Last Name | Affiliations | City | State | Joined | Membership Year |
|---|---|---|---|---|---|---|---|---|---|
| 557 | YOUTH | Y | Dallas | Canfield | Salt Point | NY | July 4, 2020 | 2019, 2020 | |
| 425 | YOUTH | Y | CHRIS | CANNELLA | POUGHKEEPSIE | NY | February 16, 2021 | 2019, 2020, 2021 | |
| 589 | AMATEUR | B | MATTHEW | CANNELLA | POUGHKEEPSIE | NY | February 16, 2021 | 2019, 2020, 2021 | |
| 118 | YOUTH | Y | STEVEN | CARINCI | CARMEL | NY | February 1, 2021 | 2019, 2020, 2021 | |
| 164 | YOUTH | Y | VINCENT | CARINCI | CARMEL | NY | February 1, 2021 | 2019, 2020, 2021 | |
| 12 | EXPERT | A | JOHN | CARLISLE-NICHOLAS | PLEASANT VALLEY | NY | December 28, 2020 | 2019, 2020, 2021 | |
| 301 | YOUTH | Y | Dakota | Carroll-Tripp | Amenia | NY | March 31, 2019 | 2019 | |
| 81 | AMATEUR | B | KEVIN | CARTER | GARRISON | NY | March 13, 2021 | 2019, 2020, 2021 | |
| 352 | AMATEUR | B | NICK | CARUSO | WAPPINGERS FALLS | NY | January 27, 2021 | 2019, 2021 | |
| 111 | YOUTH | Y | SKYLER | CARY | WAPPINGERS FALLS | NY | January 31, 2021 | 2019, 2020, 2021 | |
| 11 | EXPERT | A | CLARENCE | CARY JR | WAPPINGERS FALLS | NY | January 31, 2021 | 2019, 2020, 2021 | |
| 797 | AMATEUR | B | JOHN | CASABLANCO | FISHKILL | NY | January 31, 2021 | 2019, 2020, 2021 | |
| 28 | NOVICE | C | NOAH | CASIUANT | HUDSON | NY | May 19, 2019 | 2019 | |
| 87 | EXPERT | A | ROCKY | CASSONE | Retired Number | ACE MX CLUB | January 1, 2004 | 2017, 2018, 2019, 2020, 2021 | |
| 234 | NOVICE | C | RODERICK | CAUCHI | ASTORIA | NY | July 11, 2020 | 2019, 2020 |