Why the 400m Run and 500m Ski or Erg Matter
Why the 400m Run and 500m Ski or Erg Matter. And why we actually track them The 400m run and the 500m SkiErg or RowErg are uncomfortable on purpose. They are short. They are fast. And they expose a lot, very quickly. You cannot fake these tests. They are too long to sprint casually and……
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