Info
| Last name | Kieffer |
| First name | Samuel |
| Nationality |  United States |
| Date of birth | 05-08-1995 |
| Age | 30 |
| Date | Rank | Race |
|---|---|---|
| 10-12 | 13 | North Carolina Grand Prix - Race 2 (C2) |
| 09-12 | 17 | North Carolina Grand Prix - Race 1 (C2) |
| 19-11 | 17 | Major Taylor 'Cross Cup Day 2 (C2) |
| 18-11 | 16 | Major Taylor 'Cross Cup Day 1 (C2) |
| 04-11 | 39 | Derby City Cup (C2) |
| 29-10 | 26 | Harbin Park International (C2) |
| 28-10 | 37 | Cincinnati Cyclocross @ Devou Park (C1) |
| 22-10 | 27 | DCCX 2 (C2) |
| 21-10 | 14 | DCCX 1 (C2) |
| 08-10 | 34 | Charm City Cross 2 (C2) |
| 07-10 | 33 | Charm City Cross 1 (C2) |
| 26-06 | 16 | Kampioenschap van de Verenigde Staten U23 (CN) |
| 24-06 | 23 | National Road Championships - USA TT U23 (CN) |