For you hardcore athletes looking for a real challenge, book your next flight to Slovenia.
It sounds crazy when you first read about it, but the most insane race in the world may be one which is only 400 meters long, the length of one lap around a track.
As Insider Travel shows in this video that’s gone viral on Facebook, organizers have made a race out of a hill that is normally used as a downhill ski jump.
Slovenia is home to an insane vertical race on a hill that's usually used in ski jumping.
Posted by INSIDER travel on Thursday, February 25, 2016
The race -- which is really more of a climb -- is part of the Red Bull 400, which is a series of 7 races that are the "hardest 400m of your life."
The race in Slovenia, which is called the Red Bull 400 Planica, is in September.
Josh Helmuth is the editor of Crave Sports. Follow him on Twitter or like the channel on Facebook.