The freediver descends by pulling along vertical line, without using fins. The movement is more efficient than constant weight, but the action involves a smaller muscle group (mainly the arms), and so they can tire more quickly.
In short: pulling down and back up a rope
|UK Men||102||Mike Board|
|UK Women||81||Sara Campbell|
|World Men||125||Alexey Molchanov (Russia)|
|World Women||97||Sayuri Kinoshita (Japan)|