Lili Marleen Stelzer plays beach volleyball for ASV Dachau and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U14 Damen 2025 (rank 4, 1.282 points); BVV U16 Damen 2026 (rank 14, 1.532 points); BVV U18 Damen 2026 (rank 36, 933 points). Ranking seasons: 2025–2026.