The levels
Technical level
Not comfortable on a bike, no practice.
Mountain bike driving skills, not very comfortable going downhill.
Comfortable on descents.
Likes the descents.
Physical level
No training, not very sporty, children under 10 years old.
Irregular training, sports practice every 15 days.
Regular training, outing once a week with at least 20 km and 500 D+.
Regular training with sorites 1 to 2 times per week with 30 km and 800m of D+
