Most wins
Most victories in US Pro Championship by country. The victory is assigned to the country at the time of the victory. At equal wins, tiebreaker is the number of 2nd places, next tiebreaker is number of 3rd places.
| Pos. | Nation | Wins | 2nd | 3rd | Last win | Statistics in race |
|---|---|---|---|---|---|---|
| 1 | United States | 12 | 7 | 10 | 2005 | view |
| 2 | Italy | 4 | 7 | 2 | 2003 | view |
| 3 | Denmark | 1 | 2 | 2 | 1999 | view |
| 4 | Canada | 1 | 1 | 2 | 2002 | view |
| 5 | Australia | 1 | 1 | 1 | 2000 | view |
| 6 | Netherlands | 1 | - | 1 | 1991 | view |
| 7 | Spain | 1 | - | - | 2004 | view |
| 8 | Great Britain | 1 | - | - | 1994 | view |
| 9 | Norway | - | 1 | - | - | view |
| 10 | France | - | 1 | - | - | view |
| 11 | Poland | - | 1 | - | - | view |
| 12 | Slovenia | - | 1 | - | - | view |
| 13 | New Zealand | - | - | 3 | - | view |
| 14 | Czech Republic | - | - | 1 | - | view |
| 22 |