This 400m uphill race will give you 400 reasons to want to quit
Running 400m doesn't sound like much of a challenge, does it? But what if you were to run those 400m at an altitude close to 200m and as a pure uphill sprint? That's a race guaranteed to put the participants’ calves, quads and endurance to the ultimate test. Now in its seventh year, Red Bull 400 is set to conquer 14 ski jumps in as many single events across Europe, Asia and North America, putting racers all over the world to one of the toughest tests they will ever face. In this clip, 1500 athletes take on the challenge to run up a ski jump in Bischofshofen, in the Austrian alps, showing just how tough this race really is