In its third year of existence, Red Bull 400 took another giant stride forward as more competitors than ever before took part.
Starting on Planica's famous slopes in May 2013, more than 300 athletes attempted to scale the 400m course quicker than everyone else.
2012 men's champion, Ahmet Arslan, was edged into second place after a dramatic finish in Slovenia, but the Turkish mountain-runner would have his revenge just one week later on Kulm as he turned on the after-burners to claim an impressive victory.
Austrian mountain-running world champion, Andrea Mayr, claimed the win in the women's category on her home turf. But as ever, it wasn't just about the elite athletes, as these pictures show...