Janis Mamier plays beach volleyball for USC Konstanz and competes in the federation “Beachvolleyball in Baden-Württemberg (BiBW)”. 12 tournament results are documented since 2024, most of them in 2026 (7).
Most recently documented: place 17 at BeachBaWü | Finale Herren (Apr 13, 2026). The best tournament result is place 4 at C-Herren VSG Endingen (May 25, 2025). Most frequent partners in the results: Kevin Fiegler (3×), Alexander Töfflinger, Fabian Kury.