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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
While I have great respect for Phil Mafetone (the originator of the MAF formula) it is after all just a formula that does not consider anyone’s personal response to exercise. That is why we recommend something like our simple drift test. However, your field test is a good alternative. The question to ask yourself is: “how wrecked were you from this run?” This run was very long but on shorter runs you can use this rule of thumb: If you are training within your aerobic capacity and the run was not overly musically demanding, could you do it again today and then again for day’s afterward without struggling? Can you recovery within 24 hours? Then you are training below AeT.
Scott