One thing I had to get used to was not going all-out in my training. On most days, I was clearly doing less than I could have. I would do my scheduled sets or miles and call it a day, even though I could have done more. I wasn’t “leaving it all out there” or “giving every ounce” very often.

I’ve not seen the need for long anaerobic training sessions in endurance athletes. It’s relatively easy to stimulate the anaerobic system to obtain benefits and, unlike aerobic training, shorter bouts of anaerobic workouts are very effective. So, the second principle of anaerobic training is to keep it short. This relates to both the total time of

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The other key lesson of this study is that athletes generally get more out of time spent at low intensity than they get out of time spent at moderate intensity. The subjects in the polarized group had the greatest imbalance between low-intensity and moderate-intensity training, and again, they improved the most. This lesson in particular should hit

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