The term 'Pole Vaulter's Hurdle' refers to the CROSSBAR that a pole vaulter must clear during a competition. The CROSSBAR is set at a certain height and the athlete must use a pole to vault over it. The pole vaulter must have the correct technique and timing in order to successfully clear the bar. The height of the bar is adjusted depending on the skill level of the athlete. Pole vaulting is a challenging event that requires strength, agility, and precision.