Info
| Last name | Keizer |
| First name | Martijn |
| Nationality |  Netherlands |
| Date of birth | 25-03-1988 |
| Age | 37 |
| Place of birth | Muntendam |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 26-11 | 37 | Superprestige Gieten U23 (CU23) | |||||
 Sparkassen Münsterland Tour (U19) | |||||||
| 18-08 | 2 | Stage 2 | |||||
| 10-08 | 11 |  UCI World Championship Spa TT U19 (U19) | |||||
| Int. Junioren-Rundfahrt Niedersachsen (U19) | |||||||
| 28-07 | 2 | Stage 2 | |||||
| 15-07 | 5 | European Championship U19 (EC) | |||||
| 13-07 | 7 | European Championship TT U19 (EC) | |||||
| 20-06 | 1 | National Road Championships - Netherlands TT U19 (U19) | |||||
Teams
Victories
| This year | 0 |
| Total | 8 |