Correct load calculation

Hi
I had actrail run today of 23km and 1350mt of climb. All my app, garmin, training peaks, interval.icu and other give me a load far above 300. Athletica say just 168. Is it possible Athletica doesn’t calculates load correctly with run?

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@Andrea could you please assist @Prato here?
MJ

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Dear @Prato sorry for the slow reply. Feel free to tag me if needed!

For running activities, Athletica considers speed as primary metric. I attach the tab below with calculations based on RPE, or HR, which might be better aligned with values you see on other platforms?

Screenshot 2025-02-08 at 19.07.19

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Thank you @Andrea !!!
Yes it seems more aligned.
As i would do other trails and for sure pace will not a good stress meter, how can i change the reference? Maybe power could be a good point as my garmin has also this info. What do think about? Thank you again

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Dear @Prato thank you for your messages and comments.

Unfortunately, as of today, we do not have the option to select between metrics for the training load assessment. Also, Athletica today is not best suited for trail running (or running on terrain with huge elevation gains). I’d LOVE to. Therefore we’ll be looking into the future trying to optimise for that as well.

When it comes to trail running, speed might not be the best indicator, even though we compute a “gradient adjusted speed”. The GPS technology is not there yet to provide us with a trustworthy high-resolution estimation of the elevation profile and “track/road” gradient in a mountain environment (sharp changes in elevation, rocks, trees obstructing the signal, etc…).

As a consequence, we might need to consider HR as a key metric for that.
In summary: we have “speed” as main metric for road running and -only in the future- we might have HR for trail running.

RE running power: yes, interesting point. As far as I am concerned, it would be difficult to compare across devices. I love running power, but in my experience is highly consistent within the athlete, but not so much between athletes using different devices. Food for thoughts.

Thanks!

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Ok I understand @Andrea

About running power from my point of view it’s not a metter of diversity from person to person:
Each one has its power meter and use it to set own zones. So it is not interesting if another use other system at has 50W more or less for the same internal load. If you consider the powervrelative to each one, may be a good meter. The issue is if a person train with different meters or when change power meter, than you will loosel reativity to test.

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@Andrea can you please take a look at my bike workouts this week? The load for both yesterday and today seems extremely low for the workouts that were done.

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Hi! I did a bike workout today. TSS on my Garmin said 95.5. When it ported over to TrainingPeaks, the TSS was 90 (still in the ballpark). When I look in Athletica.ai, the load says 52.

The one thing I noticed is, the Load data seems more in line between TrainingPeaks/Garmin and Athletica.ai when I upload ride data from a Zwift exported fit file. When I pass the fit file directly from my Garmin watch, TrainingPeaks/Garmin and Athletica.ai aren’t always as closely matched.

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Thank you @Nick for flagging. Indeed, this is a bug :beetle:
It has been reported and now in the pipeline to be fixed. Somehow the calculation for cycling was falling back to the RPE to estimate the load. We will revert the default to power.
Thank you for your patience. :pray:

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That makes sense with the numbers, I knew there was no way a HIIT session would come up as the equivalent to what a recovery ride should be.

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Hi. A couple of questions related to the bug fix.

  1. Is there a time frame for the fix?
  2. When the fix happens, will the system automatically recalculate load? If not, what do we have to do to prompt the recalculation?

Thanks!

This should be fixed now. So from now on the calculations should be correctly make use of power and not RPE. This should also be retro-active and repair the sessions that may be affected. If you still encounter some issues after another few hours or so, please let us know.

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Thanks Andrea. I just checked an it’s definitely not retro yet, but I’ll take a look later today.

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Sorry @Andrea . I just see my last bike workout and i have a load of 56 instead of 90 prescribed. It seems to me that i was pretty near the power prescribed and i don’t know where and because a so great difference. If you have time I’d like if you have a look to it. Thanks

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Thank you for flagging @Prato

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Hi @Andrea
It’s arrived an athletica update email where is write that load calculation for bike is corrected but my bike session of tuesday is still far from prescribed also if i obtained a 90% score on follow the session. Shouldn’t be retroactive the solution?
Thanks bye