free solo climbing

US /friː ˈsoʊloʊ ˈklaɪmɪŋ/
UK /friː ˈsoʊloʊ ˈklaɪmɪŋ/
"free solo climbing" picture
1.

Free Solo Klettern, Freiklettern ohne Sicherung

a form of rock climbing where the climber ascends alone without ropes, harnesses, or other protective equipment, relying solely on their physical strength and mental fortitude

:
Alex Honnold is famous for his free solo climbing of El Capitan.
Alex Honnold ist berühmt für sein Free Solo Klettern am El Capitan.
Free solo climbing requires extreme skill and courage.
Free Solo Klettern erfordert extreme Fähigkeiten und Mut.