Races per country
Races competed per country. If a race travels through multiple countries, each country is counted.
| # | Country | Races | #Races |
|---|---|---|---|
| 1 | Belgium | GP de la Famenne GP Stad Vilvoorde Liège - Bastogne - Liège Lille - Brussel National Championships Belgium - Road Race Paris-Bruxelles Ronde van België / Tour de Belgique Ronde van Limburg Ronde van Vlaanderen / Tour des Flandres | 9 |
| 2 | France | Paris - Nice Paris - Roubaix Paris - Tours Paris-Bruxelles Tour de France Tour de l'Ouest Tour du Nord | 7 |
| 3 | Austria | Tour of Germany | 1 |
| 4 | Germany | Tour of Germany | 1 |
| 5 | Poland | Tour of Germany | 1 |
| 6 | Switzerland | Tour de France | 1 |
Nations by date
Which countries did Robert Wierinckx last add to his list?