Sadie Bjornsen can remember watching World Cup race footage as a kid, skiers zipping across the T.V. screen moving at speeds that seemed to her at the time, superhuman. In a recent Last year in Lillehammer, Bjornsen was the fastest qualifier but did not advance past the quarterfinals. This year in Lillehammer she once again won the qualifier, completing the course in a time of 3:22.45, but didn’t stop there. She placed second in her...