This is an important easy week when athletes can reset before we increase intensity at the end of October. Spend some time during an easy distance session this week to work on V2 technique with our DP to V2 drill. We recommend a lower body spenst workout to build power and muscular endurance that will transfer into ski speed in the weeks to come. What kind of fitness is needed to be an elite cross-country skier? Dr. Sarah Willis digs in and explains in her articleWhat We Know About Skiing PHYSIOLOGY.