INCLUDES AN UPDATED CHAPTER ON THE 2020 SEASONYou don't get biceps like Briggs by giving up when the going gets tough... CrossFit superstar Sam Briggs, aka 'The Engine', is a true hero in the sport, with a level of endurance unparalleled in the game.
CrossFit superstar Sam Briggs, aka 'The Engine', is a true hero in the sport, with a level of endurance unparalleled in the game. This is the story of how she got to the top, and battled with everything she had to stay there.
