With over 20 books written for the endurance athlete, Matt Fitzgerald is one of the sport's leading authors. Some of his other best sellers are:

• Racing Weight: How to Get Lean for Peak Performance
• Iron War-Dave Scott, Mark Allen, & the Greatest Race Ever Run
• The Runner's Body: How the Latest Exercise Science Can Help You Run Stronger, Longer, and Faster

Matt talks to us about his book, "Run-The Mind-Body Method of Running by Feel". Some topics include:

• Should a dose of suffering be included in your training?
• The Black Box of ingredients that you open on race day
• How to learn to train your body by listening to it

Follow Matt on Twitter or on Facebook

Take the Tailwind Challenge at: Tailwind Nutrition

Check out the cool headlamps made for trail running at Petzl