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Grails

Cadair Idris is one of the Welsh 'three peaks,' a distinctive and iconic mountain at the base of Snowdonia National Park. The summit is a hard, steep two-hour walk up a loose

The Speed Trap

What is fast, and why do we care about it? First, let's sort fast from speed, because they're not the same thing. Fast is a relative value. It's a judgment. You can only be

Leg Speed

Leg speed is, simply, the speed your legs will move without you trying to move them faster. You have a certain leg speed on a bike, and another one when running, or,

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