Ak Hafiy Tajuddin Rositi

Awangku Hafiy Tajuddin bin Pengiran Rositi

Career Hafiy Taujddin was born in Bandar Seri Begawan, the fifth of ten children. The 4th Borneo Games' sixth day saw him winning gold in the men's 800 meter category with a time of 2:00.58s. He competed at the 2012 Summer Olympics in the heats round of the 400 m event with a personal best time of 48.67s.

Doping Hafiy was randomly tested and was found positive for an Adverse Analytical Finding (AAF), with the presence of a prohibited substance Anabolic Steroids (19- Narandosterone) of Exogenous origin," according to a news release issued by the Brunei Darussalam National Olympic Council (BDNOC) on 29 April 2014. Following his participation in the men's 400-meter race at the 27th Southeast Asian Games in Myanmar in December, where he placed last in his heats with a time of 49.94s, Ak Hafiy was randomly tested by the Southeast Asian Federation (SEAGF) Medical Committee. He was banned for 2 years, with the sanction ending on 24 December 2015. Prince Sufri Bolkiah, the President of the BDNOC, emphasized in a statement that athletes should abstain from doping.