in this experiment researchers tracked the time it took players wearing light shoes versus heavy shoes to run 20 meters timing gates were set up as shown in the diagram below to operate a computer controlled stopwatch to track the times it took runners to reach each 5 meter marker. this experiment set up led to four times checks during the 20 meter sprint: at 5 meters, 10 meters, 15 meters, and 20 meters. Athletes were asked to run with a maximum level of effort the data shown below are averaged data from 22 athletes.