Advice wanted/needed for big hike. Not prepper related

[NorthernRaider]

Elastoplasts over your nipples, field dressings or sanitary pads over your shoulders both to stop the straps on your rucksack rubbing your skin raw,
only wear loose cotton undies to absorb sweat,
liberally apply vaseline to your crotch to stop chaffing.
If you have had blisters before then start off with silicone blister patchesto begin with,
ensure your toe nails are very well trimmed to prevent the edge of a nail abrading the toe next to it.
If you are allowed a rest stop of more than a few minutes boots OFF, feet washed, feet talced, fresh socks, change blister pads.
Drink lots of water or your calf muscles will seize up
Monitor your electrolites and take Diorolite as neccessary
Eat little and often to prevent sugar crashes and tummy cramps.
Dont wear brand new boots.
NR

(31 January 2013, 23:45)Geordie_Rob Wrote: Hi guys & girls, I've volunteered myself for a 100km charity hike (to be completed in a 30hr time limit) in June & was wondering if anyone can offer any advice from any experience they may have. The longest walk I've done before is about 10 miles so its certainly going to be a challenge for me.

Things like avoiding blisters, keeping moral up if wind & rain is blowing in your face etc.. Any useful tips will be greatly appreciated.