This week's workout comes from Kari Øyre Slind, and it's one the 24-year-old Norwegian cross-country skier only does once or twice a year. “This workout is really tough, but I also feel that it really lifts me to a new level," she explains.
This week's workout comes from Kari Øyre Slind, and it's one the 24-year-old Norwegian cross-country skier only does once or twice a year. “This workout is really tough, but I also feel that it really lifts me to a new level," she explains.