I have done some research on the best way to get my body in tip top cardio shape. The consensus with most people is Intervals. I started this interval treadmill work out last week. The key is to also change up what you do alot. So, I do something different almost every day. I PT 2 times a day, and do this interval training first thing in the morning before work. I am seeing improvements in my cardio health as well as my distance and speed on normal runs. (And, by runs I mean jogging at a snails pace)
0-2:00 Incline 0, Speed 3.5
2:00-5:00-Incline 5, Speed 4.5
5:00-7:00 Incline 11, Speed 3.5
7:00-9:00-Incline 10, Speed 1
9-11-Incline 12, Speed 3.5
11-13-Incline 10, Speed 1
13-15-Incline 12, Speed 3.5
15-16 Incline 1, Speed 7
16-17-Incline 1, Speed 5.5
17-18-Incline 1, Speed 7.5
18-20-Incline 1, Speed 5
If I am feeling really froggy I do 40 minutes, and when I get to the bottom I work my way back to the top. If you can't achieve the speeds or inclines, adjust to what you can do. You will improve over time, and before long you will be sprinting up those hills.
~*~Katie~*~