The upper of the shoe is designed with sprinters' needs in mind as well. The overall fit feels more comfortable and natural when running on a rubber track surface. The outsole is largely made of plastic, so it will feel firm and rigid upon first wear.
Sprint models with 200m-500m runners in mind usually do not contain a plate that covers the heel and are more flexible.īoth short and long sprint models employ a firmer spike plate beneath the forefoot to yield a "recoil" effect, so that with every step, the shoe is responsive enough to give you some more "spring" in your stride. These best serve runners who compete in events that have one or no turns-the shoe is designed for sprinting down straightaways and are relatively stiff. Spikes designed for sprinters of the linear variety-55m or 100m dashers-have a full-length plate-one that spans from the forefoot to the heel. They often sport an aggressive plastic mold underneath the forefoot to force runners on their toes and to decrease foot contact with the ground-exactly what speed demons need to shave valuable fractions of a second. You can quickly detect a sprint spike by observing the plate on the outsole. Sprint spikes are designed to enhance your form and speed from the starting blocks to the finish line. For sprinters, forward propulsion, minimizing the time spent on your feet, and your drive phase is of vital importance.
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