Episode 3 - Why intensity works… until it doesn’t
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Episode 3 - Why intensity works… until it doesn’t
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About this listen
Intensity can drive quick improvements in trail running performance—but only for a short time. Hard sessions create a strong training signal, yet they also generate fatigue faster than they build fitness. At first, fitness gains are visible; over time, accumulated fatigue masks those gains, leaving runners feeling heavy, flat, and slower despite training harder.
The mistake many runners make is responding to this fatigue by adding even more intensity or letting easy runs drift too hard. Instead, sustainable progress comes from using intensity sparingly, building a strong aerobic base, and allowing recovery to keep pace with training stress.
Key message: intensity should support training, not dominate it. Rule of thumb: If intensity is always the solution, it eventually becomes the problem.