Cardiac Drift for Running

David - the cardiac drift feature is great for cycling workouts. Would it be possible to add this feature for running workouts using pace and heart rate.

This is useful for finding the aerobic threshold (pace or heart rate) for running, where one can do a 1 hour or longer run on a flat course holding a steady hr, and compare the ratio for pace / hr for the 1st half to the 2nd half to see if decoupling is less than 5% to identify if the run was done in the aerobic range.

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I have added this to the todo list. This site still has more for cycling than running (ahem, I only do cycling) but I do plan to sort that out as soon as I can. I need to build/get a GAP model for running and do lots of other stuff (pace vs HR charts etc etc.).

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Hi david, is there an update on this? Or do we already have a way to measure pace? I didn’t see anything when I was making my charts. If there is one, please let me know!

There are some Custom Activity Fields (3 at least) that calculate the decoupling based on GAP:

image

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hi @Radvocaat , im not able to see any charts when looking for “dec” on my run :frowning:

Can you tell me where you found those? I can’t find those when looking manually , either

I think you have to look at the (custom) fields. It is a metric.

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Ah got it :slight_smile: Thank you @Radvocaat !! I got it now :smiley:

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hey, sorry to ping a dead thread, but I can’t seem to figure out where the custom fields are?
I scroll down the the bottom of the activity, click on “activity charts” centered on the bottom of the page, click on the “chart” button with the magnifying glass, and then search in the pop-up, but to no avail (the chart that comes up doesn’t work for me). Sorry for the ignorant question, I’m still new to Intervals.icu and trying to figure everything out.


The custom field is added from the timeline screen. Select Custom and search the fields from there. It is an activity level field, not a graph.

I don’t think anyone has made a plotly graph for decoupling based on pace.

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Awesome got it, thank you so much!