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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
#132383
Avatar photoScott Johnston
Keymaster

AeT can vary depending on grade.  The only way to know is to test.  I’m not sure why this happens.  My theory is that it is combo of femur length and leg strength.  Those with long femurs tend to see a bigger difference as the hill steepens.  They will often be fast up until some critical steepness and then boom, they see a non-linear increase in HR as the grade goes up.  We often test both and I would say we see something like 50% of runners have a pronounced non linear increase in HR to grade at some point.  This happens at lower grades with those with long femurs.

Scott