Try... 3x10 Squats
3x10 Lunges
6x10 Leg curls
3x10 Leg raises
5x5 Heavy calf raises
Than.. on your off days..
Run the track at your local park. Mix sprints up with long distance cardio and running stairs.
Don't look at this regimen like something you have to do right now..because I'll admit, that's a workout I won't even do. Instead, look it like, something you're going to do at the very end, when you're at the pinnacle of your training.
Anyway, I hope that helped and good luck with your training.