Sometimes it happens: your Garmin lost gps signal, you had to stop for some reason or maybe your Garmin disconnected repeatedly from your trainer…(my case 😡) and you end up having two or three activities instad of just one. And then, training Peaks thinks you didn’t do the job, and you need to promediate power, speed, tss, etc
But I just found an easy way to solve that, with the help of a webpage here, and it’s free.
From Garmin Connect, inside one of the activities that need to be merged, choose ‘export to TCX’. A file will be then downloaded to your computer. Do the same process with the rest of the files.
Once all the TCX files are downloaded, from the feb.net page choose ‘select files’ and upload them. Then click on ‘merge’. A new fie will be downsides tu your computer. (it will be named something ‘-final.tcx’)
Now you need to upload that final file to Garmin Connect. Simply go to your dashboard and click on the cloud (upper-right corner).
Now you have only one activity, with all the information from the separate activities you had before. Don’t forget to delete those.
These were my separate three activities:
And then the merged version: