AIDA International is the Worldwide Federation for breath-hold diving, established in 1992 which manages and oversees the recognition of records, organizes competitions, and sets the standards for freedive education.
Disciplines
Pool
STATIC (STA); the freediver holds their breath for as long as possible with their respiratory track submerged in water.
DYNAMIC WITHOUT FINS (DNF); the freediver swims completely submerged attempting to cover the greatest possible distance, any propulsion devices are prohibited.
DYNAMIC WITH FINS (DYN); the freediver swims completely submerged attempting to cover the greatest possible distance, any propulsion devices other than fins/monofin are prohibited.
Open Water
•CONSTANT WEIGHT WITHOUT FINS (CNF); the freediver descends and ascends attempting to reach the targeted depth using only his/her arms and legs, any propulsion devices and/or pulling of the rope are prohibited.
CONSTANT WEIGHT WITH FINS (CWT); the freediver descends and ascends attempting to reach the targeted depth using fins/monofin and/or their arms, any other propulsion devices other than fins/monofin and/or pulling of the rope are prohibited.
FREE IMMERSION (FIM); the freediver descends and ascends attempting to reach the targeted depth by pulling the rope, any propulsion devices are prohibited.