Suicides

Done on basketball court or football field. On basketball court, start at end line, sprint to foul line, touch the ground, sprint back to end line touch the ground, sprint to mid court and touch line, sprint back to end line and touch line, sprint to far foul line and touch ground, sprint back to end line and touch the ground, sprint to far end line and touch the ground, sprint back to original end line. Rinse and repeat.