A Free State sailor, Tiens van Zyl represents DAC in competitive dinghy racing. Tiens's earliest SailingSA result dates to February 2024. Since then 4 races across 2 regattas have been recorded. Most of Tiens's racing has been in Mistral, with additional starts in other fleets. Notable results include victory at the SailingSA events in the multiple fleets fleet and strong finishes at the SailingSA events. Tiens continues to build experience across competitive sailing regattas.