Completed the following sentence: In 2012, he began focusing on track cycling. <unk> <unk> <unk> <unk>
World Track Championships on 4 April 2012 in Melbourne. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Kennaugh was the first Manxman to win an Olympic gold since 1912.