I may be over complicating this but:
I want to do some sessions where the first half is very easy and fasted, the second is hard interval stuff, which I want to be fuelled for.
How would you advise fuelling for it? Eating something small as soon as I start the whole ride so it's digested for the hard second half? Or something very quick digesting like a gel as soon as the going gets tough?
I know the obvious solution would be two desperate sessions but I just know I won't get on my turbo twice in one day coz,well, CBA really