ABDUL Muim bin Haji Yuzaini was the champion of the open category in the Mountain Bike Racing competition held yesterday morning in conjunction with His Majesty Sultan Haji Hassanal Bolkiah Mu’izzaddin Waddaulah ibni Al-Marhum Sultan Haji Omar ‘Ali Saifuddien Sa’adul Khairi Waddien, Sultan and Yang Di-Pertuan of Brunei Darussalam’s 72nd birthday celebration. More details in Monday’s Borneo Bulletin.