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    Zwift Hacks

    How To: Retrieve a Lost or Partial Zwift .fit File for Uploading to Strava or Other Services

    Eric Schlange
    By Eric Schlange
    July 24, 2025
    LAST UPDATED July 24, 2025
    1

    If your Zwifting is interrupted by a power outage, computer reboot, or Internet problems, you may “lose” your current ride without being able to save it properly.

    It’s also possible that everything may seem to be working fine, but after your session, the saved ride never shows up on Strava, and signing into Zwift.com shows your ride as a “partial ride.” This indicates Internet connection issues at some point in your ride which prevented your device from sending data to Zwift’s servers.

    Take heart – all is not lost! Zwift continuously saves your activity progress on your device and sends the data to their servers. Regardless of what happens with the server connection, you can always retrieve your local file (unless you’re using Apple TV) and upload it to Strava or any other service.

    Note: you cannot upload the file from your computer to Zwift.com to get full “credit” for your ride within Zwift – meaning the ride in question will probably show as a “partial” on Zwift.com forever.

    Retrieve Your Activity on Zwift for PC/Mac

    Each of your rides is saved on your computer at %USER%\Documents\Zwift\Activities\ as an industry-standard .fit file. Just find the ride in question (files are named by ride date) and upload it to Strava or any other service.

    Retrieve Your Activity on Zwift for iOS and Android

    There’s a hidden feature on Zwift for iOS and Android that lets you easily access your list of ride files and attach them to an email. Here’s how it works:

    Step 1: Tap the ZWIFT logo 3x
    Step 2: select your ride from the list and click “OK”
    Step 3: send the email!

    Retrieve Your Activity on Zwift for AppleTV

    Unfortunately, there is no way to access the local .fit file on AppleTV if something goes wrong. If you find you’ve finished and saved your Zwift ride and it’s not showing up on Strava, it’s possible the upload failed even though the activity saved on Zwift’s side. Try visiting zwift.com/sign-in to download the ride file, which you can then upload to Strava.

    Downloading from Zwift.com

    If for any reason you need a copy of your .fit file from Zwift’s servers, it’s easy to access. Log into your account at zwift.com/sign-in, navigate to your activity, then click the gear icon. From the popup, click “Download Fit File”:

    Fix Uploading Errors with FitFileTools.com

    If you get an error when attempting to upload your .fit file to Strava or another service, the file is corrupted in some way. In that case, head over to fitfiletools.com and fix it using their tools. (Hint: the “Corrupt Time Fixer” is often the solution.)

    Wrapping It Up

    It can be a real bummer to finish a Zwift ride only to realize it didn’t save properly. Happily, following the simple steps above will let you post your ride to Strava or other services. As we know… if it isn’t on Strava, it didn’t happen!

    Questions or Comments?

    Share below!

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      Eric Schlange
      Eric Schlangehttp://www.zwiftinsider.com
      Eric runs Zwift Insider in his spare time when he isn't on the bike or managing various business interests. He lives in Northern California with his beautiful wife, two kids and dog. Follow on Strava

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