Following age and boat classes are counted at the Spree-Marathon.
Age classes
| class | age | year of birth |
|---|---|---|
| U23 | 17-23 Years |
2005- 1999 |
| Seniors | 24-49 Years | 1998 - 1973 |
| Masters | 50 Years and older | 1972 and older |
Boat classes
- K1 male, female
- C1 male, female
- SUP male, female
- K2 male, female, mix
- C2 male, female, mix
If in an age class less then 3 boats/sups entered, these boats are counted in the senior class.
If a K2/C2 is raced with competitors from different age classes, this boat is counted in the senior class.