Andy, did you start off as a 5k speciailist, but then added a huge amount of training?
100miles a week is one hell of an input for the 10k and half times you quote...however, they look pretty soft compared to your 5k time, so should see an improvement soon I'd have thought.
Stevie G - i started off as an average jogger just wanting to run but not really knowing why, first ever run was exactly a mile in 6 mins, like alot of people i made the classic mistake of thinking you have to do every run flat out to get to professional standards ha ha how wrong that approach was after about 5 months of this i had done no official races but did a 10k in training each week "PB"ing with 41 mins, then heard about the Snowdonia marathon, waited till 18yrs old then did it in 4:12 (massive struggle, off of 25-30mpw) over the next 3years the mileage just crept up by the smallest bit each week, it was only when i got to 20 it occured to me that to get good i need to start focusing on specific 10k`s and HM`s then the really good PB`s started to happen.
Have you taken advice in ramping up to 100miles a week, or got help in structuring it?
No i`ve been self coaching to be honest, though i have been watching these Forums/Threads to pick up any little bits of advice, well that and reading a whole range of Books about successfull people ie Charlie Spedding, Ron hill, Steve jones and the kenyans.