I know there are a few of you doing IM Barcelona this year, you may be interested in the piece I wrote for my old club after preparing for and racing Challenge Barcelona (same course) in 2011.
It is a bit of a long read but you may find it interesting, click here.
There is no substitute for good old fashioned coaching from and experienced coach, one 2 one or in a group of like minded people. However there is much to learn reading the experiences of the coaches as they race and train. Mark and Teresa share these with you in their Coaches Corner. These are updated regularly so it is worth checking back from time to time.
You will find the first article dealing with the importance of bike set up posted here, just to give you an idea what is coming.
Mark and Teresa