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Friday, March 20, 2009

Live @ Altitude, Train @ Sea Level

It's awesome. 'Nuff said.

I'm in San Diego on vacation and as anyone who lives at altitude will tell you, going to sea level and training is a huge treat. You have to workout a lot harder to get your heart rate in the proper zones. E.g., today's run had mile Z4 intervals in it. I was able to do 6:40s in low Z4 whereas at altitude, if I could even do 6:40s they'd either be in high Z4 or in Z5. The difference? At altitude, that's above my LT which means there are side effects, namely lactic acid.

Additionally, this was the first real run on my new orthotics and my feet felt weird at first but after a mile or two, they felt great.


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