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📣 Our community has moved!

After several years of incredible discussions, we've moved our community to a new home on Reddit where we can better serve our growing family of mountain and endurance athletes.

Join us at our new subreddit forum /r/evokeendurance for:

  • Training advice from our coaching team
  • Peer support and motivation
  • Gear discussions and recommendations
  • Trip reports and inspiration

This forum will remain archived so you can still access all the valuable content and conversations from over the years. However, all new discussions and coaching support now happen on Reddit.

Join us on Reddit
October 3, 2024 at 5:45 pm #136368
Avatar photoScott Johnston
Keymaster

Matthew: Nose breathing is definitely NOT required for Z2 running.  For many people, nose breathing is hard to pull off due to restrictions. While ‘ventilation’ is a great indicator of AeT it is best done in a lab using a gas exchange test.

dbroman: When you get over 2 hours you will likely see a more significant HR drift due to dehydration and an increase in core temp.  So, I would not be too concerned over those drift numbers.

I hope this helps,

Scott