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Performance Freediving International
Abbreviation
PFI
Formation
2000 (2000)
Purpose
Freediving training
Headquarters
World Headquarters, Stuart, Florida, United States
Location
1321 SE Decker Ave Stuart, FL 34994 USA
Region served
Worldwide
CEO/President/Founder
Kirk Krack[1]
Parent organization
International Training
Subsidiaries
ERDI
SDI
TDI
Website
www.performancefreediving.com
Performance Freediving International (PFI) is a freediving training agency founded in 2000 by Kirk Krack. Krack coached World Champion Freedivers, Mandy-Rae Cruickshank and Martin Stepanek. PFI teaches freediving clinics around the world and is involved in both team and athlete development.[2][unreliable source?] Since 2004, PFI has hosted DejaBlue, which is an international freediving competition.[3] In July 2019, PFI was purchased by International Training, the owner of companies including Scuba Diving International and Technical Diving International.[4]
^Divers Alert Network PFI Going to Cayman for Record Attempts Divers Alert Network 22 February 2005. Retrieved 5 July 2014.
^Deeper Blue Get Ready DejaBlue V with Performance Freediving International 2 May 2014. Retrieved 5 July 2014.
^Whelan, Stephan (16 July 2019). "Breaking: SDI/TDI Announce Acquisition Of Performance Freediving International". deeperblue.net limited. Retrieved 7 September 2019.
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Freediving blackout, breath-hold blackout, or apnea blackout is a class of hypoxic blackout, a loss of consciousness caused by cerebral hypoxia towards...
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will minimise the cooling load. The effects of hyperthermia on diver performance and physiology are incompletely understood, particularly during exercise...
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research, the International Council for Harmonisation (ICH) defines SOPs as "detailed, written instructions to achieve uniformity of the performance of a specific...
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from the original (PDF) on 23 May 2013. Ferse, S.C.A. (2010). "Poor Performance of Corals Transplanted onto Substrates of Short Durability". Restoration...
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and freediving. These categories overlap considerably. Several competitive underwater sports are practised without breathing apparatus. Freediving precludes...
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