Info
| Last name | Seitz |
| First name | William |
| Nationality |  United States |
| Date of birth | 28-12-2001 |
| Age | 23 |
| Date | Rank | Race |
|---|---|---|
| 19-11 | 18 | Major Taylor 'Cross Cup Day 2 U19 (C2) |
| 18-11 | 17 | Major Taylor 'Cross Cup Day 1 U19 (C2) |
| 05-11 | 22 | Pan-american Continental Championships U19 (CC) |
| 04-11 | 23 | Derby City Cup U19 (C2) |