My 1/8A Switchblade established a new NAR 1/8A national record of 65 seconds at GRITS 2018. This model was made famous by its appearance in a Flite Test video in 2015, although it has appeared in numerous other videos on this channel and various magazines previously.
FT footage: https://youtu.be/67fpOi5i9mM
Rocket glider kits are available are jhaerospace.com