Check this out:

The world record that became nothing
On May 4, 1931, 90 years ago, Günther Groenhoff flew in Fafnir from Munich to Kaaden in Czechoslovakia. The distance was 272 km. It was a world record. But since Peter Riedel had towed him up there was no record. At that time, the FAI considered that towing
was cheating. Nevertheless, the flight is considered one of the greatest ever in the sport of gliding.

https://qb3l4gas5xn57xoeestqfmvhgm-a...e-blev-naagot/

Maybe you should be back to ground launches to be truly pure 😘 just messing with you Bob. It's a cool article. Check it out!