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Okay, so I am running the London marathon in April 2014.
I am currently only squeezing in a single run per week, but obviously need to step this up! I am in fairly good shape anyhow and very active.
I have also completed several 10k races! all sub-50 with no problem (Working on sub-45).
Last weekend I did 15km in 1hr 18min and today just stepped it up, after a week of no running and went straight to 21km in 1hr 59min.
I know this is not advisable, but am panicking, as I know the London marathon is only a few months away now! (April 2014) and the though of doubling the half-marathon I ran today was a little unsettling!
So if I step up my runs, is a sub-4 hr first marathon possible? This is my aim and I will be increasing my long runs and focusing on speed work now.
The thing is, I was compete fine throughout the run today, and could easily have held a conversation after 15km and not at all out of breath. The problem was my legs! they felt very rubbery after 18km and I normally have pockets of energy, but no matter what it was very hard to speed-up near the end.
For the record, I am a 28 year old male and been running since my teens, but not at this distance. Any advice from experienced runners would be appreciated. Thanks in advance.