On Saturday morning —Friday night in the United States—he will climb it in his signature free solo style, without ropes or protective equipment.

Organizers delayed professional rock climber Alex Honnold's ropeless ascent of the Taipei 101 skyscraper for 24 hours due to weather, they said.

Honnold plans to climb all 1,667 feet of the skyscraper without a rope, harness or safety net — the same approach he used in 2017 when he became the first person to free solo Yosemite National Park’s ...