Kaisa Mäkäräinen skied in a league of her own on Saturday. The five biathletes currently leading the International Biathlon Union (IBU) women’s overall standings also occupied the top five of Saturday’s 7.5-kilometer sprint in Ruhpolding, Germany. But when Mäkäräinen shoots clean in a race, even those fast skiers cannot keep up with “the Finnish flash,” as an announcer for German TV broadcaster ARD dubbed her, as she finished in 20:51.8 minutes for her first World Cup win of the season and...