7. Unterberg Duathlon

The Unterberg Duathlon is a short, steep mountain duathlon held in Kössen/Unterberg, Tirol, Austria. This event combines a mountain-bike climb with an uphill run, emphasizing climbing strength over race distance. The bike segment covers 5.40 km with a 541-meter elevation gain, followed by a 3.40 km run that includes an additional 336 meters of climbing. Bergsportverein Kössen is the organizer, and the Unterberg location provides a distinct mountain-race character despite the short course.