Mats Weiss plays beach volleyball for TSV Herrsching and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U13 Herren 2026 (rank 10, 226 points); BVV U13 Herren 2025 (rank 58, 11 points); BVV U14 Herren 2026 (rank 79, 11 points). Ranking seasons: 2025–2026.