For this workout, you don’t need a mountain. Any incline will suffice. Flatlander? In a gym? Set up a treadmill at maximum incline or run some stairs.
10-second hill climb (sprint)
Do this x 10
20-second hill climb (very high intensity)
Do this x 4
30-second hill climb (high intensity)
Do this x 2
15-20 minute jog
Beginner Version: Cut this workout in half, doing each interval half the recommended amount of times.
Advanced Version: Do this entire workout after your run 1-3 miles to your hill. Then run home after your intervals.