My Garmin forerunner 55 did not synchronize my 56km Ultra marathon run yesterday

Evening Team 

May you please kindly assist in repairing my 56km Run I ran yesterday, I tried to synchronize to the App but it couldn't.. 

I even followed the available steps still no success, I have saved my activity as ZIP folder as previously adviced for the team to be able to to repair it and send it back to me to manually import it

Your kind and positive feedback will be highly appreciated 

I am very work though as this my first time experience this on my forunner 55,I had to upgrade from my for runner35 as it gave me the same problem constantly.. 

Mind you I did not pause my watch yesterday the whole 56km as it was a race 

Warm Regards 

Wendy 2025-04-05-05-37-07.zip

  • I just tried to import the file into Garmin Connect and it worked. I can see the whole 56 km run with all the data. So the file is fine, and does not need to be fixed. I don't know why it wouldn't sync with Garmin Connect, but try the following:

    1. Unzip the file.
    2. Log in to the Garmin Connect website using a web browser on a PC or mac.
    3. In the "Activities" section select "Import".
    4. Select the unzipped file.

    Let me know if you have any issues following this procedure.