In this video from yelkaim1 we learn how to do a workout for runners that will increase speed. Lateral lunges are important in running. It prevents knee related issues with runners. Drop the weight straight down on the inside of the ankle. Do this exercise on both legs. The plank as well is great for runners. Keep your abdominals tight. That's the key to this movement. Another exercise is one leg alternating bicep curls. Anytime on one leg you are doing a great core exercise. Next is a side bridge with leg raise. On your side lift one leg up, while resting on your forearm. These exercises will help you become a stronger runner.