Start Your EnginesFrom firefighter to CrossFit superstar, Sam Briggs (aka The Engine) tells her inspirational story of battling her way to the top, facing injuries and setbacks head on with the same unstoppable energy and grit that have made her an icon in the sport. Includes an updated chapter on the 2020 season. You 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
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