I have create two segments in April 2016 and though I did that segment so many times, they are still being populated, garmin says...
https://connect.garmin.com/modern/segment/BC1DE5A62EA14FBCBB45A9CD666FE66F
How funny is that! Please Garmin do something about that, Strava populates its segments in a number of hours! Can you match that?