PYEONGCHANG, South Korea — Chloe Kim, the 17-year-old American, is a big favorite in the women’s halfpipe snowboard competition. She could well have been a contender four years ago as well, but at 13 she was too young to enter. Stay here for live results and analysis from the halfpipe in Pyeongchang:
In the second run, Kim’s competitors as a group tried to up their games, attempting more difficult tricks and landing some of them, although there were still a good number of falls.