What is the PIAA rules for spike size on an all-weather track?

According to PIAA (Pennsylvania Interscholastic Athletic Association) rules, the maximum allowed spike length for all-weather tracks is typically 1/4 inch (6 mm) or 3/8 inch (9 mm), depending on the specific surface of the track. Athletes are required to use spikes that are appropriate for the type of all-weather track to prevent damage. It's essential for competitors to check with the event officials for any specific regulations or modifications that may apply.