At age thirty-nine, there was nothing author Donovan J. Rolle Sr. couldn't do physically. It wasn't a question of whether he would finish a competition, it was only a matter of how much time it would take. That changed months before the Spartan Beast when an injury forced him to reflect. In The Heart of a Spartan, he tells how he embraced the challenge and used it as an opportunity for soul searching and self-development. He discusses setting SMART goals, creating a plan to execute those goals, and diligently, consistently, and tenaciously doing what it takes to achieve those goals regardless of the setbacks and obstacles. Through his testimony, Rolle helps others understand they can be their authentic self regardless of external circumstances simply because they will learn to become confident in themselves, their talents, and their abilities as he has done. The Heart of a Spartan also speaks to proper physical training which encompasses a tri-fold foundational approach where one's mental, emotional, and spiritual fitness are paramount to successfully attaining physical fitness.