Recently, I posted about how I have been gradually focusing on longer intervals– combining the funnel periodization ideas of Steve Magness with the above-lactate-threshold ideas of polarized training identified by Stephen Seiler.  This means lots of longer intervals at very high intensity.  In a race, of course, this would come naturally.  But in training, it’s hard to get the brain to accept the idea of running this fast for this long– unless you fool it.  That’s what this short post is all about. Continue reading →