The science of speed. Parisi Speed School is the industry leader in youth sports performance training in Horsham, PA. We build total athletes through speed and agility training designed to improve athletic performance. Join the program that has trained over 650,000 athletes and produced 34+ NFL Pro Day prospects. 70 yards of turf to teach true acceleration and top speed mechanics. Every athlete is timed on VALD SmartSpeed lasers — the same tech used at the NFL Combine. Located at 400 Horsham Road, Horsham, PA 19044. Call 267-266-3430.