Ian H
Ancient randonneur
If you've done a 300 it's not really such a big step. Leaving aside questions of terrain, there are two types of 400: those that start early morning and those that start around Midday (and of course there's Vorsprung's, but he's just awkward). It's possible to finish the former within a day if you're fairly fast, but the latter will probably involve a period of involuntary doziness. A few good nights' sleep and an early night before the event will help. There'll often be a control where you can snatch some rest.
Equipment: I generally carry rather less than Greenbank, but his list is a pretty good basis to work from.
Equipment: I generally carry rather less than Greenbank, but his list is a pretty good basis to work from.