| Competition Classes | Year of birth |
| M/W 14 | 2007 and 2008 |
| M/W 16 | 2005 and 2006 |
| M/W 18 | 2003 and 2004 |
| M/W 20 | 2001 and 2002 |
| M/W Elite/ 21A/ 21B | 1987 to 2000 |
| M/W 35 | 1982 to 1986 |
| M/W 40 | 1977 to 1981 |
| M/W 45 | 1972 to 1976 |
| M/W 50 | 1967 to 1971 |
| M/W 55 | 1962 to 1966 |
| M/W 60 | 1957 to 1961 |
| M/W 65 | 1952 to 1956 |
| M/W 70 | 1947 to 1951 |
| M/W 75 | 1942 to 1946 |
| M/W 80 | 1937 to 1941 |
| M 85 | 1936 or before |
| Formation Classes | Year of birth |
| M/W 10 | 2011 or after |
| M/W 12 | 2009 and 2010 |
| Open Classes | Any age / sex, individually, in pairs or in groups |
| Easy Short |
Routes with 2 to 4 km, up to 40 minutes of execution, use of linear references, preferably paths, without technical difficulty. No knowledge of the sport or physical endurance is required. It is a great opportunity for a walk in the forest. As long as requested when registering, monitors will be available to teach basic techniques. |
| Difficult Short |
3 to 5 km route, up to 60 minutes of execution, requiring some orientation techniques, with MEDIUM technical difficulty and low physical demands. |
| Easy Long |
Courses with 4 to 6 km, with execution time less than 60 minutes, using linear elements, with low technical difficulty and low / medium physical level. |
| Difficult Long |
Course with 4 to 7 km or estimated running time of less than 80 minutes, requiring several techniques of orientation, with medium / high physical requirement and which also aims to participate in the event of federated athletes who have not registered within the deadlines or the possibility of more demanding courses by non-federated athletes, pairs or groups. |