"For athletics,track and field and for swimming, there's kind of like a traffic light.
VOA: standard.2009.09.10
Peter Thompson, a longtime coach and former official with IAAF, trackand field's governing body, said there are obvious physiological benefits to Lagat's approach.
According to Peter Thompson, a longtime coach and former official with IAAF, trackand field's governing body, Quarrie felt he could more effectively build muscle and develop tendon elasticity on cinder.