Presentation looking at the athletic development and physical training of youth football / soccer players. The key areas the presentation covers are; - Fitness testing: performance profiling, total score of athleticism (TSA), movement screening. - Assessing physical maturity: Relative Age Effect (RAE), predicted height, bio-banding, peak height velocity (PHV) - Monitoring training load: GPS analysis, heart rate analysis, small sided games (SSG). - Youth training techniques: Multi sports, strength training, managing growth, resisted sprints.