In mixed doubles, Skaslien and partner Magnus Nedregotten have represented Norway in the 2013, 2014, 2015, 2016, 2017 and 2019 World Mixed Doubles Curling Championship. The pair have finished 4th, 5th, 3rd, 9th, 5th and 9th respectively. They represented Norway in the mixed doubles tournament at the 2018 Winter Olympics. They lost the bronze medal game against the Olympic Athletes from Russia, but due to a positive testing of meldonium from Alexander Krushelnitskiy, their bronze medals were stripped and given to Nedregotten and Skaslien.