An Epic Exercising Companion -- Treadmills and Trollhills is an interactive exercising podcast that puts you at the center of daring adventures as you walk, jog or run. Each episode is roughly 15 minutes in length and can be combined with additional episodes for workouts of 30 minutes or more. Audio queues accompany the story and give suggestions for both speed and incline. Tread and troll episodes are designed for indoors our outdoors, on treadmill or trail. Walk the entire time, jog or run as fast as you can. Your base pace and effort it completely up to you. Lace up your footwear and move with Tread and Troll on epic quests and adventures.