A former high-school drug addict has proved that nothing is impossible if one is ready to face the challenges head-on. Noel Mulkey, 26, from Oklahoma, who became sober six years ago, finished Tulsa’s first Ironman Triathlon on May 23 to qualify for the Ironman World Championship in Hawaii later this year. Rewriting his life story all the while combating severe heroin addiction and then breaking free from the trap of overeating and finally making it to an international athletics platform, the young man hopes to inspire others to never give up on their dreams easily. Mulkey got into drugs at a very early age. He began using marijuana and drinking alcohol in eighth grade, reported In The Know. “It started going from kind of a weekend thing to literally every day I needed to find something,” he told the outlet. At the age of 16, Mulkey had been completely addicted to drugs …