Competitors take part in the Vortex race near Lausanne, on October 16, 2025. Around 2,000 participants, mostly students take part in this unique race created in 2021 by a group of students, involving running up the 2.8 km helicoidal passageway of the Vortex, an iconic eight floor circular building of the campus of the University of Lausanne. (Photo by Fabrice Coffrini/AFP Photo)
