Natural form is a myth. Some quirks you may have are ways your body deals with asymmetric differences. They may be necessary, but good form can be learned. For those of you following the basic schedule, forget speed work. If you run and you're normal, your body has a few aches and pains, especially in the morning.
Marathoners do a lot of limping and creaking in the morning.
In Control Marathon training is an exciting, but stressful time. What doesn't kill you will make you stronger. To Go What you should be doing when you're two months away from your marathon. You can finish this marathon yet. It may be painful but you can do it.