Jette Onken plays beach volleyball for Oldenburger TB and competes in the federation “Nordwestdeutscher Volleyball-Verband”.
Currently listed in NWVV U18 weiblich (J) 2026 (rank 38, 80 points); NWVV U19 weiblich 2026 (rank 65, 381 points); NWVV U18 weiblich (E) 2026 (rank 66, 188 points). 6 tournament results are documented since 2025, most of them in 2025 (5). Most recently documented: place 16 at NWVV | Erwachsene Frauen (Apr 13, 2026). The best tournament result is place 5 at D-Cup Oldenburg OKW (May 24, 2025). Most frequent partners in the results: Julia Bowel (3×), Helena Schubert.