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From Fellrnr.com, Running tips
→Training Tips
** [[Intermittent Hypoxic Training]] and [[Intermittent Hypoxic Training 101]]
** [[AltoLab]] (The altitude training system I use)
** [[Viagra, Exercise and Altitude]] Surprisingly, Viagra (Sildenafil) may improve performance at altitude.
* [[Stretching]] While it is a common belief that runners should stretch, the evidence refutes this.