Rosalie Ramthun plays beach volleyball for TSV Eiselfing and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U13 Damen 2026 (rank 48, 108 points); BVV U13 Damen 2025 (rank 66, 63 points); BVV U14 Damen 2026 (rank 127, 33 points). Ranking seasons: 2025–2026.