Josef Maier plays beach volleyball for TSV Mühldorf and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U14 Herren 2025 (rank 3, 405 points); BVV U16 Herren 2026 (rank 32, 252 points); BVV U15 Herren 2026 (rank 20, 279 points). Ranking seasons: 2025–2026.