What are agility ladders? They are one of the most popular agility training aids used by athletes today. An agility ladder is essentially a series of speed agility rungs that are placed on the ground in a specific pattern. The athlete then runs through the agility speed ladder, following the prescribed pattern. This type of agility training can be used to improve speed and coordination. Many athletes use agility ladders as part of their warm-up routine, as it helps to prepare their bodies for the rigors of competition. agility ladders are also often used as part of a cool-down routine, as they can help to improve flexibility and range of motion.