Three things to know about women's ski jumping
1 The first world championships were held in 2009 and won by American Lindsey Van, and the first World Cup season was held in 2011-12.
2 Sara Takanashi of Japan has had a dominant World Cup season. Others to watch: Daniela Iraschko-Stolz of Austria and Carina Vogt of Germany.
3 Olympic officials say 15 of the 30 competitors in Tuesday's gold final are teenagers. Gianina Ernst of Germany turned 15 on Dec. 31.
