# FTP used automatically for load calculation

**URL:** <https://forum.intervals.icu/t/ftp-used-automatically-for-load-calculation/125055>\
**Category:** Uncategorized\
**Created:** [19 March 2026 12:23 UTC](https://forum.intervals.icu/t/ftp-used-automatically-for-load-calculation/125055 "2026-03-19T12:23:55Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![R2Tom](https://forum.intervals.icu/user_avatar/forum.intervals.icu/r2tom/32/50144_2.png) [@R2Tom](https://forum.intervals.icu/u/R2Tom)\
**Post date:** [22 March 2026 20:07 UTC](https://forum.intervals.icu/t/ftp-used-automatically-for-load-calculation/125055/10 "2026-03-22T20:07:39Z")

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Because a model can be more or less correct than a set value. If you don’t do max efforts for some time, your eFTP value won’t be correct, so the load might be (completely) wrong.

Though if you want that, you can create your own model and script, to overwrite the load value. Read for example that thread for more information

> [@Allow users to choose alternatives to TSS](https://forum.intervals.icu/t/allow-users-to-choose-alternatives-to-tss/92351/17):
>
> You can actually update the default activity training load from a custom activity field script. Return your custom value but also update the value on the activity: activity.icu\_training\_load = ... Then your custom calc will automatically show up on all the usual charts.

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