Kirsten & Derrick’s 100 Day Raw Food & Fitness Challenge. Follow Kirsten & Derrick as they transform their diet and their lives with a low-fat raw vegan diet. See what it could do for...  In this video, Kirsten & Derrick have just finished a 5 mile walk. They have kept their vegan foods in the running store which is actually moving along with them. Walking is their fitness exercise and they are enjoying it a lot. For more information please visit: