I normally export tracks to a GPX file and then manually edit the track name to make sure it's not something weird. The internal track name differs from the filename, ie. in the 5.gpx example, it's...
<name>Beast 600 5</name>
Not sure about RWGPS filenames though. You sure it's not a waypoint or something causing the issue?
Do you still have the original in RWGPS? You could export both of them, using different filenames and then do a file compare on them to see what's different.
I normally export tracks to a GPX file and then manually edit the track name to make sure it's not something weird. The internal track name differs from the filename, ie. in the 5.gpx example, it's...
Not sure about RWGPS filenames though. You sure it's not a waypoint or something causing the issue?