Info
| Last name | Shelton |
| First name | Marcis |
| Nationality |  United States |
| Date of birth | 30-06-2004 |
| Age | 21 |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 09-11 | 4 | DCCX (C2) | |||||
| 08-11 | 2 | Pan American Cyclo-Cross Championships U23 (CC) | |||||
| 26-05 | 5 | National Road Championships - USA (CN) | |||||
| 24-05 | 7 | National Road Championships - USA U23 (CN) | |||||
| 21-05 | 10 | National Road Championships - USA TT U23 (CN) | |||||
| Tour of the Gila (2.2) | |||||||
| 9 |  Standings | ||||||
| 3 |  Youth | ||||||
| 27-04 | 12 | Stage 5Silver City - Pinos Altos (161.0km) | |||||
| 26-04 | 43 | Stage 4Silver City - Silver City (69.0km) | |||||
| 25-04 | 32 | Stage 3Fort Bayard - Fort Bayard (122.0km) | |||||
| 24-04 | 10 | Stage 2Silver City - Mogollon (148.0km) | |||||
| 23-04 | 20 | Stage 1Tyrone - Tyrone (26.0km) | |||||