MINNEAPOLIS, Minnesota — With temperatures staying in the mid-20s overnight on Friday, it was a warm, slightly sticky start to the 2018 Masters World Cup on Saturday in Minneapolis. However, despite temperatures in the upper 30s to low 40s, the 7.5-kilometer loop course at Theodore Wirth Park held up well — an important thing, as Saturday was all classic races. According to Tom Ajax, a Minneapolis-based skier who raced in the men’s 30 k classic...