The womens aerials event begins Thursday morning in the U.S. with the qualifying round. Australias Lydia Lassila is looking to become the most successful athlete in the womens aerials competition. Lassila claimed the gold medal in the event in 2010 and took home the bronze in Sochi. She is one of three women to claim multiple medals in the aerials event. At age 36, the Australian can become the oldest freestyle skier to claim at medal at the Olympic Winter Games. The PyeongChang Games are her fifth, with Salt Lake City being her first.