Azizulhasni's greatest achievement is winning the gold medal in 2017 UCI Track Cycling World Championships and bronze medal in the 2016 Olympics in Brazil in keirin. Among his other achievements is winning the silver medal at the 2009 World Championships in the sprint category and the silver medal at the 2010 World Championships in the keirin category. He was named Malaysian Sportsman of the Year in 2009 and 2010.