If you’re a little lost on the treadmill, let’s throw in some structure to get you started. Power walking is an amazing form of exercise and you can get a solid workout in just 30 mins. Here’s a guide to your power walking session: 1. 3 minute warm up walk (2.5-3 mph). 2. Post warmup, choose a brisk walking speed (3.5 mph ). 3. Increase incline by 1 % every minute till you hit 10%. 4. At minute 13, reduce incline by 1% every minute. 5. At 22 mins, walk at no incline and lower speed for 3 mins to