is a human performance and movement specialist. He is the innovator of the endurance, strength and conditioning paradigm. He has studied altitude and hypoxic training for more than 10 years, and has been studying with Wim Hof for the last 2 years. He has run the Western States 100 and the Angeles Crest 100 mile endurance runs. He has back squatted over 400lbs, Deadlifted 500lbs, and has practiced many of the principles of Yoga.
He is a founder and author of power speed endurance (www.powerspeedendurance.com
), which specializes in movement with an emphasis in running, cycling, and swimming mechanics. He co-authored the book "Power Speed Endurance", and NYTimes Best Seller UnBreakable Runner.
MacKenzie's program teaches over 50 seminars per year (on avg since 2007) worldwide and provides free programming via CFE.
MacKenzie and his programs have been featured in Competitor Magazine, Runners World, Triathlete Magazine, Men's Journal, ESPN Rise, The Economist, Tim Ferriss' New York Times bestseller The 4-Hour Body, Men's Running UK, LA Sport & Fitness, Muscle & Performance Magazine, and Rivera Magazine.
Brian has worked with professional athletes with the likes of Laird Hamilton, 10X Molokai to Oahu Paddleboard Champion and big wave surfer Jamie Mitchell, Mark Healy, Kai "Borg" Garcia, CrossFit Games athletes including Rich Froning Jr (4X CrossFit Games Champion).
He has worked with Erin Cafaro (2X Olympic Gold Medalist in Rowing – W8+, Wife), Taylor Ritzel (2012 Olympic Gold Medalist –W8+), Sara Hendershot (2012 Olympian – W2), along with several other professional and elite level athletes in sports spanning from endurance, to MMA, Surfing, to Base Jumping.
Brian MacKenzie is also one of the developers of XPT SYSTEM. XPT is a system comprised of land, gym and water workouts, breathing routines, and recovery tools such as heat-ice therapy.