Why Doesn't Garmin Calculate Training Load from Zwift Activities Despite Full Integration?

Garmin, I really want to understand — and let me be clear: the only reason I bought the Forerunner 255 Music was because of this feature!

Please explain to me why, even though I use Zwift + Garmin Connect + Zwift Connect, and the watch is paired with Zwift and transmits heart rate from a chest strap connected to the watch, I still don’t get any training load data in Garmin Connect from these Zwift activities.

Zwift sends a full activity to Garmin Connect, with all the data Zwift recorded, plus the real data from the Forerunner 255 Music. And yet, you still can't manage to show training load?

Why not?!

The watch is now completely useless to me for training purposes. It makes absolutely no sense!

I’ve read every forum post, followed every suggestion — including those offered by ChatGPT. I even went for an outdoor run so that my VO2Max would be written, because supposedly that’s required before Zwift data counts toward training load in later sessions. But that turned out to be a lieand has nothing to do with Zwift integration at all!

I don’t care whether the activity is on Strava or in Garmin Connect — I want my training load calculated by you, Garmin! But all I get is an empty value.

Explain this to me, please!

  • The following document could help: Why Is My Training Status Not Updating on My Garmin Device? | Garmin Customer Support

    Namely this section:

    Do Cycling Activities Recorded Using a Cycling App Count?

    Activities uploaded from the following apps will count towards your Training Status as long as you meet the requirements mentioned above, and have an activity of the correct type on your Garmin® device:

    • Tacx Training app
    • Zwift
    • ROUVY
    • TrainerRoad

    Before your Garmin Connect account can analyze Tacx or third party activities, a cycling activity needs to be uploaded from a Training Status capable device and a cycling VO2 Max must be established. After an activity has been uploaded from a training app, you will need to sync your training status device with your Garmin Connect account for Training Status to update on the Garmin device then sync back to your account.

  • How can i sync the training status device with Gamin Connect? I pressed for 6 days sync in the radiant menu while the garmin connect app is open and nothing happend for all Zwift ride training loads remain empty. Cant imagine how **** this is.Did i need garmin powermeter for this and zwift + Garmin HR Rate is not enoug or Before your Garmin Connect account can analyze Tacx or third party activities, a cycling activity needs to be uploaded from a Training Status capable device and a cycling VO2 Max must be established it means i need really a ride and a run doesnt count with VO2MAX? 

  • Which Garmin device do you own? Does it support Training Load? It is the device that has to calculate the load and other related metrics, not the Garmin Connect app. The app is merely used for viewing the data processed by the device.