Body weight supported treadmill training is commonly used in clinical practice with broad applicability including gait, endurance, and balance interventions1. A novel treadmill system, the LightSpeed®, has been developed by a physical therapist to capture the benefits of body weight support for both clinical and recreational use. The LightSpeed® has been utilized for physical training in running and for individuals with orthopedic pathologies. The device offers several proposed benefits including decreased impact forces, decreased risk of repetitive stress injuries associated with endurance training, and partial unweighting for gradual return to weight bearing activity after injury. 1-2, 4-6.