Should have been enough, but number of calories required depends on long term training load. As you can see, miles isn't how one measures it, it's hours. AFAIK, age doesn't matter, only training and body weight.
Edit: I should note that on these threads, there's always someone who eats less than you do, no matter who you are. I mean all these folks eat too much, way too much. Heck Lance used to go out for 6 hour rides with only water in his bottles.
I usually take 250 calories/hour with me, just in case, but often only go through half of that. I know almost exactly how long a particular ride will take me, and pack accordingly.
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Results matter
Last edited by Carbonfiberboy; 07-01-20 at 08:56 PM.