CONSTANT WEIGHT
The athlete reaches the maximum depth with the strength of his legs to re-ascend then in the same way without being able to touch the rope of descent.
VARIABLE WEIGHT
The athlete can have lumbers of maximum 30 kg to reach the maximum depth. The lumber is left at the bottom and the athlete comes up on his own without being able to use any kind of help like balloons or other.
"NO LIMITS" VARIABLE WEIGHT
With this speciality one can reach a maximum depth with the help of lumbers, with no limit on their weigh. One can come up with the help of balloons.