What does the circles with somethimg looking like a cloud inside on the Garmin Connect track represent?
It might be the course point for a meeting place.
Difficult to know without being able to see the image.
Here is link to the actual Garmin Connect file
<iframe src='connect.garmin.com/.../11120218625' title='36ONE nommer 9' width='465' height='500' frameborder='0'></iframe>
That I assume is just the personal icon selected by the user for their account
If i hoover the mouse over the icon it says jump. so maybe you used the MTB profile. Never seen this on roud bike.