Sprint drills outdoors improve speed, stamina, and athletic performance. Add resistance with parachutes or hills for maximum gains. fitcationhq.com/5x5energysys...
#SprintTraining #OutdoorWorkout #SpeedDrills #AthleteTraining #FitnessMotivation

Typing in bursts of 30 seconds at maximum speed, followed by 30 seconds of rest, can help push your speed ceiling higher. #SpeedDrills