Systems and methods of a safety belt to be worn by individuals in the course of physical activities such as walking, running, biking, etc. Safety belts of the inventive subject matter include one or more sensors that are used to develop a kinematic status of the individual wearing the safety belt. Kinematic status information can be broadcast out wirelessly, and it can be used to determine whether to generate an alert. Some embodiments of the safety belt can detect the presence of a hazard in the vicinity of an individual wearing the safety belt.