* As you probably know, running at altitude is harder than running at sea level. That’s why many elite runners either live there or go train there, because the fitness gains translate to that much better performance back at sea level (at least, until they reacclimate). Why, then, do cyclists actually perform better at altitude? Don’t they have the same oxygen-acquisition issues that runners have? In fact, they do, but that’s more than compensated for by the…