Toughtest Triathlon?

The INFERNO Triathlon, with its ascent of 5500 metres, is one of the toughest in the world and already ranks as a classic. The unforgettable encounter with nature in the incomparable Alpine world of the Bernese Oberland and the easy-going atmosphere make the INFERNO a most impressive challenge. Top sport in the world’s most scenic setting: in front of the Eiger, Mönch & Jungfrau!
Max. 250 participants
Route
Swimming:
Thun - Oberhofen
Distance 3.1 km
Road Bike:
Oberhofen (562m a.s.l.) - Sigriswil (810) - Beatenberg (1153) - Interlaken (563) - Meiringen (593) - Grosse Scheidegg (1962) - Grindelwald (943).
Distance 97 km, slope 2145 m.
Mountain Bike:
Grindelwald (943) - Kleine Scheidegg (2061) - Wengen (1275) - Lauterbrunnen (795) - Stechelberg (862).
Distance 30 km, slope 1180 m.
Fell Running:
Stechelberg (862) - Lauterbrunnen (795) - Mürren (1640) - Schilthorn (2970).
Distance 25 km, slope 2175 m.