Posted: 21/10/2014 at 21:46
Lorna, I am sorry to hear about the diagnosis.
i would suggest that not being able to run fast need not be important.
As well as knowing what event you're looking to do it could be helpful to know what running you have done.
You say you've not done a marathon, so have you run any races? What distances do you run, per week and per month (on average)?
I'm hopeful that you will get good advice on here to help you with your plans. Already you've got GKD and Cougie!