Pitching Distance Control With Trackman. PGA head golf professional at the Bana Hills Golf Academy Rod Marshall shows us how he uses Trackman to help his students improve their pitching distance control. It is important with pitching to know your distances. Using Trackman helps Rod's students to understand how much club head speed they need for varying distances. Another important aspect discussed in the free golf tip video is the fact that once you understand how much club head speed you need, you can then control the length of your swing . Visit Rod Marshall at the Bana Hills Golf Academy for a PGA golf lesson next time you visit Da Nang in Vietnam for a golf lesson.