Birgitta Sieber plays beach volleyball and competes in the federation “Deutscher Volleyball-Verband”.
Currently listed in BVV Damen 2025 (rank 36, 256 points); BVV Damen 2025 (rank 36, 256 points); BVV Race to BMS Damen 2025 (rank 42, 208 points). 117 tournament results are documented since 2004, most of them in 2019 (10). Birgitta has achieved 47 podium finishes, including 13 golds, 14 silvers, 20 bronzes. Most recently documented: place 9 at Kategorie A (Jul 20, 2025). The best tournament result is place 1 at Kategorie 2 (Jul 16, 2022). Most frequent partners in the results: Bianca Peter (62×), Carmen Nieto-Sanchez (17×), Eva Schilf (16×). Ranking seasons: 2025–2026.