Competition has the following classes:
| Class | Max team size per country |
| K-1 Surface Men | 5 |
| K-1 Surface Women | 5 |
| K-1 Surface Junior Men | 5 |
| K-1 Surface Junior Women | 5 |
| C-1 Surface Men | 5 |
| C-1 Surface Women | 5 |
The last year an athlete can compete in the junior age group is the year of their 18th birthday.