Look at your Ironman run as part of the entire race rather than an isolated event.  These three principles will help you improve your race day performance as well as your run.

Training your body to deal with elevated levels of lactate is beneficial for short distance racing but it is disastrous for Ironman and half ironman racing.  Tune in for more. 

Research shows a small dose of V02 intervals can help boost your performance.  

Athletes who continue to push in training are often disappointed with the watts they push on race day.  Get out of this cycle by learning to develop and train the right systems so that on race day you can tap into  your full potential.  From Kona qualifiers, top age groupers, and athletes attaining new personal bests, this is what they do.