William Trubridge will attempt to dive 102m into a Bahamas cavern.
A Kiwi freediver aims to smash his own world record when he plummets 102m into a cavern off the Bahamas tomorrow morning.
William Trubridge, 34, world champion and double world record-holding freediver, is the world's best free immersion diver, and also holds the record for the "constant weight without fins" discipline.
In the constant weight without fins dive, freedivers descend and ascend under water using only their own strength. They have no propulsion equipment and cannot pull on a rope, according to international diving association AIDA.
Trubridge broke the world record in December 2010, reaching 101m.
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