To follow up on the Tuesday podcast with Mark Allen talking about Kona, we have Mark again and he goes over in detail everything you need to know about the efficacy of heart rate training, the importance of adhering to the Maffetone Method and why speed is the worst metric to follow when tracking progress.  You can out-think a bad race or a bad training day, but you can’t outsmart the heart.  Sit back and enjoy one of the true legends of endurance sport talk about why you need to get a grip and trust your heart.  Enjoy!