outofwater Chris Bishow photo.jpg
outofwater Chris Bishow photo.jpg

About Brian Mackenzie


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About Brian Mackenzie


Brian Mackenzie

Brian MacKenzie is a human performance and movement specialist. He is the innovator of the endurance, strength and conditioning paradigm and founded and created Power Speed Endurance (PSE), formerly CrossFit Endurance. Brian is on the forefront of exploration and implementation of breathing and recovery methods to help all humans achieve optimal performance and awareness. He has also co-authored two books: Power Speed Endurance and The New York Times bestseller UnBreakable Runner.

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Gallery image: Creative Live

Bio image: Chris Bishow