The 2018 Lotte World Tower International Sky Run wrapped up on Sunday morning.

A total of some 1,500 vertical runners and citizens ran up from the Arena square on the bottom floor to the 123rd floor of South Korea’s tallest building, in Songpa-gu, Seoul.

Twenty-four professional vertical runners -- 12 men and 12 women -- participated in the elite competition.

Piotr Lobodzinski from Poland and Suzy Walsham from Australia came in first, at 15 minutes 53 seconds and 18 minutes 45 seconds, respectively.

The Sky Run at Lotte World Tower is the world’s highest Vertical World Circuit with a total of 2,917 stairs to climb.

Proceeds from the race entry fees go to ChildFund Korea.

Photos by Yonhap Written by Cho Yun-myung ()