Paragliders

You could have knocked me over with a feather this afternoon when I spotted 3 paragliders in the distance happily floating past. I've seen paragliders before, but normally where there are hills and they normally keep to one spot. These guys seemed to be going some distance and at quite a speedy bearing in mind how far away they were. I wonder if they were trying to complete some sort of challenge.

PS: This was taken on full zoom.