Originally Posted by
topflightpro
I'm a bit surprised the elevation isn't having a negative effect on performance. I've heard that generally, one can arrive at an elevation like that and perform well for a day or two before the effects kick in. But maybe some of them are conditioned for it.
From what I can remember from Tournant's and Hoy's record attempts for the Kilo, you basically have about 5-7 days before your body starts to really dial back because of the altitude. Ideally, you would try to attempt a record on day 3 or 4.