Rupp has been working with one coach for the better part of 10? years. That kind of knowledge and gradual build up of training has paid huge dividends now. He has been able to be under the watchful eye of Al Sal for quite some time. For those that don't know, many great athletes stick with their same coach from youth all over the world. Sally Pearson comes to mind as she is running for the same coach as she did as a youth. Something to be said for this type of relationship. Switching coaches all the time usually has a negative effect on training.