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Basically long story short. I run half marathons, been doing it for years; next year I want to try a full marathon, but not only run it, I also have in mind a sub 3:10
How realistic is a time like that for someone that hasn't run a full marathon before?
What do I need to keep in mind, training wise, nutrition wise, etc?
Thanks for any advice
My HM PB is 1:22
My 10k PB is :38