15m FAI World Records:

Out and return declared distance 1730km

Out and return free distance 1730km

Out and return speed over 1500km (TBC)

https://en.wikipedia.org/wiki/History_of_hang_gliding

1976. Official FAI World Championships in Hang gliding in Koessen/Austria.
Terry DeLore from New Zealand is crowned first World Hang Gliding Champion. Hang
gliding is now on a FAI sanctioned air sport.