I think on the fenix you can connect it to your computer with the usb cable and then use your computers file browser. On my edge500, activities are in the /garmin/activities folder.
Thanks for the reply . It's possible to erase on the fenix2 activity by activity. I use the svb cable to interconnect the fenix with the server through the pc . I have read that the older activity will be automatically eresed if the memory is full . It offers then the possibility to register the new one.
Best
If you want to erase a group of activities, you should be able to do that quickly and easily with your computers file browser, not the internet browser and Garmin Connect. Your fenix should show up as an attached storage device or hard drive when it's connected to your computer. If you use a macbook or other OSx based computer, then be sure to empty the trash so the memory will really be freed up.
