1) The WC is carried out in 2 disciplines, with separate rankings. Constant weight, swimming up and down a rope, WITH and WITHOUT fins. In both disciplines it is allowed to carry weight, but they my not drop it during the dive

2) There is 1 qualification heat in each discipline and sex. The best 6 compete in the finals.

3)  The depths have to be announced by each athlete the day before (this is kept secrete until the official startlist is published). The rope is adjusted to each announced depth. On the end of the rope is a so called bottom-plate, to which depth tags are attached. If an athlete turns early, the difference to the announced depth is subtracted from the actual depth. An additional penalty meter is subtracted for not retrieving the depth tag. E.g.: an athlete announces 100m, but turns at 90m. That would result in 79 points. 90m achieved depth -10 for difference -1 for no depth tag.

4) Athletes who fail to perform the "surface protocol" within 15 seconds after surfacing, are disqualified. The "surface protocol" requires the diver to remove their mask, nose-clip, give an OK signal and say "I am ok" - in this specific order.
The girls had their qualification in CNF (constant weight no fins) already today. The boys have their CNF qualification tomorrow.