Your 1/2 marathon 12 weeks plan for a 2h goal!!
You only will need (added to a pair of shoes) an elliptical trainer and a bike for a few cross training sessions.
easy jog 5´30"/km pace
injury prevention workout
12´ same pace as before
30´ non stop running, very easy pace, talking with training partners
1h walking easy pace on the mountains, at least 200+
-25´ ELLIPTICAL (EASY PACE)
-FOLLOWED BY A EASY 15´RUN (5´30"KM PACE)