Founded by Greg Glassman in 2000, along with Lauren Jenai, it combines
high-intensity interval training, Olympic weightlifting, plyometrics,
powerlifting, gymnastics, kettlebell lifting, calisthenics and
strongman.
It has 12,000 affiliated gyms in 150 countries around the world
Every year, the competitive season begins with the Crossfit Open in
which every member of a Crossfit gym can sign up and take part in 3
workouts, set by Crossfit. Each competitor's score is posted on the
website and ranked accordng to age, country, ability. The top athletes
progress to a quarter final stage, then an in-person semi final and
ultimately the very best in the world compete at the Crossfit Games. The
Fittest Man and Woman on earth are crowned after 4 days of competition.