Races per country
Races competed per country. If a race travels through multiple countries, each country is counted.
| # | Country | Races | #Races |
|---|---|---|---|
| 1 | Netherlands | Arno Wallaard Memorial Groningen - Münster National Championships Netherlands - ITT National Championships Netherlands MJ - Road Race National Championships Netherlands MU - Road Race National Championships Netherlands U23 - ITT Rabo Ronde van Midden-Nederland Ronde van Noord-Holland Ronde van Overijssel Royal Smilde Olympia’s Tour Ster van Zwolle ZLM Tour om de 'Arjaan de Schipper Trofee' | 12 |
| 2 | Belgium | Omloop van het Waasland | 1 |
| 3 | Hungary | Tour of Hungary | 1 |
| 4 | Thailand | Tour of Siam | 1 |
Nations by date
Which countries did Cor van Leeuwen last add to his list?
| # | Country | Date |
|---|---|---|
| 4 | Belgium | 2009-03-15 |
| 3 | Thailand | 2007-01-21 |
| 2 | Hungary | 2004-07-26 |
| 1 | Netherlands | 1998-06-19 |