Info
| Last name | Jonkman |
| First name | Geert-Jan |
| Nationality |  Netherlands |
| Date of birth | 24-01-1984 |
| Age | 42 |
About Geert-Jan Jonkman
Geert-Jan Jonkman is a Dutch professional cyclist, 42 years old. Active in track cycling, road cycling.
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 23-09 | 116 |  Gooikse Pijl (1.2) | |||||
| 14-09 | 26 | Kampioenschap van Vlaanderen (1.1) | |||||
| 24-06 | DNF | National Road Championships - Netherlands (CN) | |||||
| Ster ZLM Toer GP Jan van Heeswijk (2.1) | |||||||
| 133 |  Standings | ||||||
| 17-06 | 81 | Stage 4Schijndel - Boxtel (182.0km) | |||||
| 16-06 | 78 | Stage 3Verviers - Jalhay (184.0km) | |||||
| 15-06 | 150 | Stage 2Nuth - Nuth (167.0km) | |||||
| 14-06 | 151 | Stage 1Eindhoven - Sittard-Geleen (151.0km) | |||||
| 09-06 | 24 | Ronde van Zeeland Seaports (1.1) | |||||
| 06-05 | 75 | Circuit de Wallonie (1.2) | |||||
 Tour du Loir et Cher E Provost (2.2) | |||||||
| 76 | Standings | ||||||
| 15-04 | 63 | Stage 5Blois - Blois (97.0km) | |||||
| 14-04 | 70 | Stage 4Angé - Angé (191.0km) | |||||
| 13-04 | 90 | Stage 3Château-Renault - Vendôme (201.0km) | |||||
| 12-04 | 116 | Stage 2Villebarou - Chailles (210.0km) | |||||
| 11-04 | 47 | Stage 1Blois - Nouan-le-Fuzelier (186.0km) | |||||
| 11-03 | 54 | Rabobank Dorpenomloop Rucphen (1.2) | |||||
| 04-03 | 20 | Grand Prix de la Ville de Lillers Souvenir Bruno Comini (1.2) | |||||
| 10-01 | 12 | Wielerzesdaagse van Rotterdam (2) | |||||