Sailing from BYC, Hans Mantz competes in the North West dinghy circuit. Since June 2025, 12 races across 2 regattas have been recorded for Hans. Hans's primary class has been Stadt 23, with additional appearances in other fleets. Notable results include victory at the 2025 Stadt 23 Nationals in the Stadt 23 fleet and strong finishes at the 2025 Stadt 23 Nationals. Hans remains an active competitor in the Western Cape sailing circuit.