Apnoea finswimming

Apnoea finswimming also known by its acronym, AP, and as apnoea or apnea is underwater swimming in a swimming pool using mask, monofin and holding ones breath. AP races are held for the distance of 50m. A swimmers face must be immersed for the duration of the race or risk disqualification. AP races are not conducted in open water for safety and security reasons.