Sailing from HMYC, Collett, Mark competes in the KwaZulu-Natal dinghy circuit. Collett,'s earliest SailingSA result dates to December 2022. Since then 11 races across 1 regattas have been recorded. Most of Collett,'s racing has been in Flying 15, 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. Collett, remains active in regional dinghy racing.