# Average FTP depreciation rate per day known?

**URL:** <https://www.trainerroad.com/forum/t/average-ftp-depreciation-rate-per-day-known/17370>\
**Category:** Training\
**Tags:** ftp\
**Created:** [June 21, 2019, 10:08pm UTC](https://www.trainerroad.com/forum/t/average-ftp-depreciation-rate-per-day-known/17370 "2019-06-21T22:08:32Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![mcneese.chad](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/mcneese.chad/32/15056_2.png) [@mcneese.chad](https://www.trainerroad.com/forum/u/mcneese.chad)\
**Post date:** [June 21, 2019, 10:19pm UTC](https://www.trainerroad.com/forum/t/average-ftp-depreciation-rate-per-day-known/17370/2 "2019-06-21T22:19:41Z")

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Maybe not the hard numbers you want, but this is a good reference:

> [@How much training volume does it take to maintain ~3w/kg?](https://www.trainerroad.com/forumt/how-much-training-volume-does-it-take-to-maintain-3w-kg/5391/4):
>
> Here is some info that may be helpful: Training Residuals: Aerobic Endurance – Establishment: 25-35 days; Residuals: 25-35 days Anaerobic Power – Establishment: 14-22 days; Residuals 14-22 days Muscle Endurance/Threshold – Establishment: 10-20 days; Residuals: 10-20 days Sprint Power – Establishment: 2-8 days; Residuals: 2-8 days Declines in Aerobic Capacity: 1-7 days: negligible decrease 10-14 days: 6% decrease 14-30 days: 12% decrease 30-63 days: 19% decrease \>63 days: 26% decrease Mi…

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