Info
| Last name | de Haan |
| First name | Sierk-Jan |
| Nationality |  Netherlands |
| Date of birth | 20-06-1981 |
| Age | 44 |
About Sierk-Jan de Haan
Sierk-Jan de Haan is a Dutch professional cyclist, 44 years old, who currently rides for Team Visma | Lease a Bike. Turned professional in 2004. Active in road cycling.
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| Olympia's Tour (2.2) | |||||||
| 41 |  Standings | ||||||
| 24-05 | Stage 5Vaals - Vaals (159.0km) | ||||||
| 10-05 | 65 | Omloop der Kempen (1.2) | |||||