Brian Mackenzie

#157286
Most Popular
Boost
Birthday
20, 1974
Birthplace
United States
Birth Sign
Libra
Birthday
20, 1974 (age 43)
Birthplace
United States

About

American fitness instructor and entrepreneur who is best recognized for having co-founded the Extreme Performance Training program. He is also known for having finished the Angeles Crest 100-mile endurance run. 

Before Fame

He began studying altitude and hypoxic training in 2006.

Trivia

He published a book titled Power Speed Endurance.

Family Life

He married Olympic gold medalist Erin Cafaro MacKenzie

Associated With

In March 2017 he posted a photo with fellow fitness instructor Emily Bridgers to his iamunscared Instagram account.