Info
| Last name | Koster |
| First name | Claudia |
| Nationality |  Netherlands |
| Date of birth | 22-03-1992 |
| Age | 33 |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 18-12 | 6 | European Championships - Beachrace (3) | |||||
 Lotto Belgium Tour (2.1) | |||||||
| 40 |  Standings | ||||||
| 09-09 | 38 | Stage 3Geraardsbergen - Geraardsbergen (97.0km) | |||||
| 08-09 | 46 | Stage 2Lierde - Lierde (107.0km) | |||||
| 07-09 | 29 | Stage 1Moorslede - Moorslede (121.0km) | |||||
| 06-09 | 39 | PrologueNieuwpoort - Nieuwpoort (4.0km) | |||||
| 06-08 | 9 | Erondegemse Pijl (Erpe-Mere) (1.2) | |||||
 BeNe Ladies Tour (2.2) | |||||||
| 16-07 | DNF | Stage 2aSint-Laureins - Sint-Laureins (75.0km) | |||||
| 15-07 | 115 | Stage 1Philippine - Philippine (103.0km) | |||||
| 24-06 | 42 | National Road Championships - Netherlands (CN) | |||||
| 12-06 | 25 | Flanders Diamond Tour (1.1) | |||||
| 08-05 | 18 | Trofee Maarten Wynants (1.2) | |||||
| 07-05 | 4 | Rabobank 7-Dorpenomloop Aalburg (1.2) | |||||
| 17-04 | 15 | Ronde van Gelderland (1.2) | |||||
| Energiewacht Tour (2.2) | |||||||
| 48 | Standings | ||||||
| 10-04 | 24 | Stage 5Borkum - Borkum (119.0km) | |||||
| 09-04 | 32 | Stage 4aZuidhorn - Zuidhorn (75.0km) | |||||
| 09-04 | 48 | Stage 4bLeek - Leek (13.0km) | |||||
| 08-04 | 17 | Stage 3Musselkanaal - Stadskanaal (131.0km) | |||||
| 07-04 | 64 | Stage 2Winsum - Winsum (116.0km) | |||||
| 06-04 | Stage 1Groningen - Groningen (11.0km) | ||||||
| 02-03 | 51 | Le Samyn des Dames (1.2) | |||||
| 27-02 | 81 | Omloop Het Nieuwsblad Dames (1.1) | |||||
Teams
Victories
| This year | 0 |
| Total | 2 |