Info
| Last name | de Jong |
| First name | Leon |
| Nationality |  Netherlands |
| Date of birth | 08-05-1981 |
| Age | 44 |
| Date | Rank | Race |
|---|---|---|
| 04-10 | 21 | Casino Hondsrug Classic - Gieten (C1) |
| 27-09 | DNF |  G.P. Roel Paulissen - Genk (Winterslag) (C2) |
| 19-07 | 10 | Dutch National Championships - XCO (CN) |
| 28-06 | 22 | Habay-la-Neuve (C2) |
| 17-05 | DSQ | Rabobank Stappenbelt MTB Trophy - Apeldoorn (C2) |
| 10-05 | 45 | Benelux Cup - Averbode (C2) |
| 19-04 | 27 | OWC MTB Cup - Oldenzaal (C2) |
| 12-04 | 43 | Verviers (C2) |