As heard by us
A practical look at when training structure helps, and when it just adds fatigue.
Aaron Saft treats training as a matter of fit, not doctrine. He asks whether intervals belong in a routine at all, then suggests that marathon, ultra, and 5K prep may call for different choices depending on the goal and, in some cases, the time target.
Why you'd press play
Wondering if your training should be harder, or just better aimed?
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