Josefa Müller plays beach volleyball for TV Lenggries and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U13 Damen 2026 (rank 39, 145 points); BVV U13 Damen 2025 (rank 47, 107 points); BVV U14 Damen 2026 (rank 74, 80 points). Ranking seasons: 2025–2026.