# Running Effectivenss

**URL:** <https://forum.intervals.icu/t/running-effectivenss/65817>\
**Category:** Uncategorized\
**Created:** [1 May 2024 07:54 UTC](https://forum.intervals.icu/t/running-effectivenss/65817 "2024-05-01T07:54:07Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![David\_R](https://forum.intervals.icu/user_avatar/forum.intervals.icu/david_r/32/77808_2.png) [@David\_R](https://forum.intervals.icu/u/David_R)\
**Post date:** [1 May 2024 17:02 UTC](https://forum.intervals.icu/t/running-effectivenss/65817/3 "2024-05-01T17:02:24Z")

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Similar topic where I shared a possible chart

> [@Running Economy (ECOR and RE)](https://forum.intervals.icu/t/running-economy-ecor-and-re/3198/5):
>
> An ECOR chart can be made with a custom stream. Something like: { for (let m of icu.fit.record) { data.setAt(m.timestamp.value, m.RP\_Power?.value / activity.icu\_weight / m.enhanced\_speed?.value) } }

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