Femke Kok breaks 12-year-old women's 500m world record, Erin Jackson sets new US mark | NBC Sports

Team USA's Erin Jackson finished second to best her own women's 500m American Record at Utah Olympic Oval, but Femke Kok's time of 36.09 seconds breaks the record Lee-Hwang Sa set at the same venue exactly 12 years ago. #NBCSports #SpeedSkating #ErinJackson #FemkeKok » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub_confirmation=1 » Watch Live Sports on Peacock: https://peacocktv.smart.link/v82e9dl56 N...