Originally Posted by
njkayaker
There is no way.
You can manually upload the activity files. It's easier if you still have the files on the device. Otherwise, you have to export the activities files from the other account.
Thanks njkayaker ("nj" as in New Jersey? I used to live nearby there

)
It's a start, I'll look into it.
Can it be done in bulk, or is it a (painfully tedious) one-by-one process?