WOF 2013#39 English: Mammut Swiss Irontrail 2013
Swiss Irontrail 2013
August 2013, Graubünden (Switzerland)
The spectacular Swiss alpine region of Graubünden is
host to one of Europe’s most gruelling single-stage ultra trail-running
races. This event truly represents the essence of mountain running,
taking in stunning vistas, classic Swiss villages and superb alpine
trails. It’s the Swiss Irontrail!