Sports performance monitoring and measuring apparatus, namely, wearable activity trackers; Sports performance monitoring and measuring apparatus, namely, sensors for monitoring an athlete's speed, acceleration, load and movement; Sports performance monitoring software; Sports performance measuring software; Data collection system consisting of a data logger and receivers used in combination with software to monitor and report on sports performance; Downloadable computer software for streaming audio and video; Downloadable computer software programs for digital video analysis, playback, scouting, review, replay and teaching in the field of sports; Downloadable computer software programs for integration of digital video with data, audio and graphics, analysis, playback, scouting, review, replay and teaching in the field of sports; Downloadable sports performance monitoring software; Downloadable sports performance measuring software; Downloadable sports performance monitoring and measuring software for monitoring and measuring an athlete's speed, acceleration, load and movement; Interactive downloadable video software for analyzing plays in a sporting event or activity; Video editing apparatus; Wearable sports performance sensors and transmitters; Wearable sports performance trackers