Christian Spielberger plays beach volleyball for VC Neusäß and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U14 Herren 2025 (rank 82, 16 points); BVV U16 Herren 2026 (rank 127, 16 points); BVV U16 Herren 2025 (rank 161, 16 points). Ranking seasons: 2025–2026.