Fadhil Yunus Brunei Darussalam marked the start of their much-anticipated campaign in the 32nd Southeast Asian Games (SEA Games) with a debut in the obstacle race event at the Chroy Changvar International Convention and Exhibition Center in Phnom Penh, Cambodia yesterday. National athletes Mohd Hasnal Husna bin Ahmad and Awangku Muhd Nur’Nazirul Mubin bin Pengiran