Need 4 Speed: Ground Effect from Phoenix Fly on Vimeo.

This is not a video game. This is real life. It’s also a trailer for the upcoming documentary Need 4 Speed, which is being released by wingsuit outfitters Phoenix-Fly and Adrenalinbase.

In the video above, flyer Robert Pecnik is captured tracing the contours of a remarkable — and remarkably flat — mountain drop. Throughout his glide, Pecnik narrowly avoids nicking the crags and treetops that jut in his way — obstacles that would cause certain death if even grazed at Pecnik’s speed of more than 100 miles-per-hour.

Crazier yet, wingsuit videogropher Ludo Woerth not only has to avoid the earth, but also keep his helmet cam trained on the lead flyer. Need 4 Speed is one full-length we definitely need to see.