>>380096>As far as acclimatizing, it's recommended for flatland runners who train at sea level to spend at least two weeks and ideally 3-6 weeks training at a high climate for a high climate race. That's great that you can acclimatize quickly, but lifetime flatlanders should be cautious with their first 14K+ers and spend at least a week at altitude just to be safe. Obviously we're not running long distance races here, but we also don't have the cardiopulmonary system of a long distance runner, so the physical strain should be relatively similar. I say a week because two weeks is a bit much for simple hiking and climbing.I don't think I acclimatize faster than the average person - the three of us
>>380063 were the ones in best shape, but we didn't fare any better than the rest purely as far as acclimatisation goes, even if we were able to maintain a faster pace. Apart from a slight headache, nobody really got into trouble from going up to Lenz Rock in 5 days, and all of us are flatlanders. That said, I've seen people having a hard time at 2500/8200 too.
(cont'd) Next day was spent hiking up to Lenz Rock at 4600/4800. It's the rocky outcrop high up the left seen here
>>380057. Beautiful day, only wore two layers. Prepared C2 there, cut ice, flattened ground, moved snow, built small rock walls, you know the drill.