What’s the best way to get fit for the Auden’s Col trek?

The best way to train for the Auden’s Col trek is to spend plenty of time beforehand simply walking & jogging. Aerobic training at the gym helps too, but there’s no substitute for simply walking & trotting for several hours at a stretch. It’s also a good opportunity to check out all your trekking equipment, clothing, and footwear – to make sure it’s all comfortable and works OK.