Races per country
Total number of races and number of different races per country.
| # | Country | #Total | #Different races | |
|---|---|---|---|---|
| 1 | United States | 208 | 57 | |
| 2 | Belgium | 72 | 41 | |
| 3 | Netherlands | 16 | 10 | |
| 4 | Czech Republic | 5 | 5 | |
| 5 | France | 4 | 4 | |
| 6 | Canada | 2 | 1 | |
| 7 | Spain | 2 | 1 | |
| 8 | Switzerland | 1 | 1 | |
| 9 | Denmark | 1 | 1 | |
| 10 | Italy | 1 | 1 |