Mandatory Credit: Photo by Rafal Oleksiewicz/Penta Press/Shutterstock (11767455y) Karolina Bosiek of Poland looks on after the Ladies 1000m during the ISU World Speed Skating Championships at Thialf on February 13, 2021 in Heerenveen, Netherlands. ISU World Speed Skating Championships 2021, Speed Skating, Thialf, Heerenveen, Netherlands - 13 Feb 2021