the workout you DO beats the perfect one you skip. four moves, one dumbbell, every muscle group covered (built for impact magazine).
free ski strength program for home, minimal kit. three supersets for glutes, hammies, quads, calves. run it 2-4x a week, add load as you go.
65% of runners get hurt and most never train form. fix the imbalances, fix the pace, skip the pain (full workout in impact magazine, page 20).