Antonia Metzner plays beach volleyball and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U16 Damen 2025 (rank 315, 15 points); BVV U16 Damen 2026 (rank 316, 15 points); BVV U18 Damen 2026 (rank 352, 15 points). Ranking seasons: 2025–2026.