Races per country
Total number of races and number of different races per country.
| # | Country | #Total | #Different races | |
|---|---|---|---|---|
| 1 | United States | 234 | 55 | |
| 2 | Belgium | 19 | 6 | |
| 3 | Netherlands | 4 | 4 | |
| 4 | Canada | 2 | 2 | |
| 5 | Switzerland | 1 | 1 | |
| 6 | Czech Republic | 1 | 1 | |
| 7 | Germany | 1 | 1 | |
| 8 | Denmark | 1 | 1 | |
| 9 | Great Britain | 1 | 1 |