The competition was Northern Neck Winter 2018
This average of 5 is done with a 4x4 speed cube made by Cyclone Boys called the "FeiTeng." It's 57mm instead of the standard 62mm, which makes it very easy to solve on. I also magnetized it with weak 4x1mm N48 magnets on the inner layers and strong 4x2mm N50 magnets on the outer layers.
Big thanks to Allen for letting me borrow his FeiTeng for that last solve.
Cubicle Labs Lite magnets on the inner layers.
SpeedCubeShop Strong magnets on the outer layers.