Nina Treptau plays beach volleyball for TV Mömlingen and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U13 Damen 2026 (rank 9, 401 points); BVV U13 Damen 2025 (rank 14, 309 points); BVV U14 Damen 2026 (rank 25, 339 points). Ranking seasons: 2025–2026.