Runners take to the skies in the Alps

NK Skyrunning gallery

Ahead of the NK Sky Running event near Lake Lugano starting today, here's a look at some great images from last year. 

The NK Ultra (113k/7400m) takes place today, while tomorrow sees the NK Skyrace (27km/2200m) and the NK Vertical KM goes ahead on Sunday.

Pic credit: Zoutfotografie.nl