Work on the weakness

In an ironman event a lot can go wrong.  You put in all the training but there are so many elements out with your control that can easily finish your race.  Today I came up against one of these problems and not for the first time - a puncture.  Since changing to my new wheels I have puncture 4 tyres; one on the turbo trainer and three replacing the same tyre!  I was trying to save time for tomorrow when one of my friends is coming to give me a lesson on changing tyres and a few other things and managed to puncture another tyre through me being rubbish with my hands!
I despaired and went out for a run to take my mind off it but all the way round I "beat myself up".  Seems to have worked as I ran a fast time but had missed a turbo session.  So I finished off with a core workout and am starting to feel better.  I just need to work on this weakness because I can't afford this to happen in Lanzarote or all my training may be for nothing.
Tomorrow I am going out with 15 fellow athletes for a 50 km bike ride to celebrate my 50th birthday which will be on Dec 1st.  The men should be supporting moustaches and if you want to see mine go to http://mobro.co/missionironman . If your feeling generous you could throw in a couple of £ for the prostate cancer charity.  Thanks.