0 0 The 4.4 402016-12-072016-12-07https://slowguyspeedschool.com/wp-content/uploads/2016/10/sgsp-logo-transparent.pngSlow Guy Speed Schoolhttps://slowguyspeedschool.com/wp-content/uploads/2016/10/sgsp-logo-transparent.png200px200px admin Recent PostsThe Art of the Mini Hurdle: Building Sprint FormHow to Gain 5 Inches of Vertical Jump in 3 Weeks5 Drills to Improve Vertical Force and Run Really Fast1080 Sprint Review