Training

I have 13 weeks til I am to run my first marathon. I know I can run 15 miles, but the last month of training has been terrible. I got away from everything that got me to where I was at end of May. All of that changed today.
I have decided yo return to the interval training. I can run my miles while working out the way I really have come to enjoy. So from here out, whether it be 6 mile runs or 18 mile runs, there will be some form of interval routine mixed in at various distances.
Today's workout
30 8# sand bag tosses 12-15' high
30 push ups
Run 1 mile
15 burpees
25 sit ups
Run 1 mile
30 squats
15 pull ups
Stretches to cool down. This is going to be the most important thing I can do. Especially to help keep my plantar fascitis from bothering me.