Info
| Last name | Tonkin |
| First name | Eric |
| Nationality |  United States |
| Date of birth | 28-08-1974 |
| Age | 51 |
| Date | Rank | Race |
|---|---|---|
| 09-12 | 39 | USGP of Cyclocross #8 - Bend (C2) |
| 08-12 | 34 | USGP of Cyclocross #7 - Bend (C1) |
| 18-11 | 13 |  BC Grand Prix of Cyclo-cross (C2) |
| 30-09 | 29 | NEPCX - Gran Prix of Gloucester 2 (C2) |
| 29-09 | 29 | NEPCX - Gran Prix of Gloucester 1 (C1) |
| 08-01 | 19 | USA National Championships CX (CN) |