A possible training plan?

In the previous post I introduced the idea of testing the waters of winter expeditions by signing up for a winter skill course in Norway, to reach the level of fitness required I’ll need a training plan. Since the days of COVID I haven’t done much in the way of heavy hikes so I will be starting from 0, and hence giving myself about 30 weeks to reach a comfortable 6-hour hike with 20kg or maybe…