To run faster with Fartlek, tempo and hill training, increase the running speed between intervals, whether it is from one landmark to the next, within a certain time frame or up-hill and down-hill intervals. Gain speed through these different types of training methods with tips from a running coach and certified sports trainer in this free video on running. Expert: Samuel Harvell Bio: Samuel Harvell is certified through the National Endurance Sports Trainers Association (NESTA) and is an experienced running coach. Filmmaker: Bing Hu