Oskar Mansfeld plays beach volleyball for SVG Lüneburg and competes in the federation “Nordwestdeutscher Volleyball-Verband”.
Currently listed in NWVV U14 männlich 2026 (rank 59, 54 points); NWVV U13 männlich 2026 (rank 71, 16 points). 2 tournament results are documented from 2025. Most recently documented: place 5 at Sonstige (Aug 16, 2025). Most frequent partners in the results: Leonard Beschorner.