The Heart Is the Strongest Muscle

Know your why and take your mindset from great to unstoppable

Legendary six-time CrossFit Games champion and Rogue athlete, Tia Toomey shares lessons from her inspiring story of leveling up her performance, embracing failure, and fiercely taking on impossible goals.

Tia Toomey, the world’s fittest woman, has won the CrossFit Games an incredible six years in a row and is undeniably a true warrior. She has also trained for the Winter Olympics in bobsledding, competed in the Summer Olympics in weightlifting, and was a Commonwealth Games gold medalist. She is, in short, one of the most accomplished and dominant athletes in human history.

But for Tia physical fitness is only a small part of overall strength. More important is building mental toughness.

In The Heart Is the Strongest Muscle, Tia illustrates her journey to elite status by emphasizing the importance of her "why." Maintaining a clear understanding of her purpose—what drives her heart—enables her to overcome even the most formidable obstacles. From the initial stages of her fitness journey to her stellar achievements leading her to the top of the podium at the CrossFit Games, Tia candidly shares the hidden truths, challenges, and triumphs that have molded her into an unstoppable competitor.

Nothing comes easy, but in The Heart Is the Strongest Muscle, Tia hopes to show you how to build your own unstoppable mindset. Whether you are already a serious athlete or someone looking to conquer a new challenge, you’ll be able to use her methods to keep winning.

“I have been honored to closely follow the journey and success of Tia Toomey as a high-level CrossFit athlete. But more impressive has been following her development and journey as a person. This book gives a wonderful glimpse into all aspects of her amazing journey.” —Dave Castro, director and programmer of the CrossFit Games

“Learning to have grit and mental toughness is something all of us need to constantly be working on. Having the opportunity to train with Tia showed me her persistence and resilience to keep fighting and pushing back, even when she was being challenged mentally and physically. The fire she has to never quit is extremely rare. This is a must-read for every person who wants to learn from one of the best at being mentally prepared!” —Josh Bridges, US Navy Seal, multiple CrossFit Games athlete