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He returned to competition in 2006 but finished the season with unimpressive bests of 10.31 and 20.54.
He returned to competition in 2006 but finished the season with unimpressive bests of 10.31 and 20.54.
This earned him qualification into the 2004 Summer Olympics, but he was withdrawn from the competition after his sample from the national championships tested positive for banned substances. After his B sample also tested positive for testosterone, he was banned from competition for two years and his results between mid-2004 and 2005 were removed from the record. The following year was much more successful.
He competed at the 2007 World Championships in Athletics as a heats runner for the Jamaican silver medal-winning 4×100 metres relay team
After an uneventful 2008, Mullings returned to form in 2009. He set new personal bests in both sprints in July, running 20.01 seconds over 200 m in Rethymno, and 10.01 seconds over 100 m at the Golden Gala.
In 2011, he broke the 10 second barrier for the first time at age 28, and by the end of the year had run under 10 seconds seven times. However, on 11 August 2011, it was reported that Mullings had tested positive for the drug Furosemide, a masking agent.
The positive test was recorded at the Jamaican national trials in June where he finished third in the men"s 100-metre final.
On 22 November the Jamaican Anti-Doping Disciplinary Panel handed him a lifetime ban from athletics. They voted unanimously on the decision. All information taken from IAAF profile.
Mullings began his international athletics career with a bronze medal win in the 100 m at the Pan American Junior Championships. At the 2004 national championship he made his first impact in senior athletics, setting new bests of 10.04 and 20.22 in the sprints, and finishing as the 200 m national champion. He won the 100 m in Zaragoza with a wind-aided (37 m/s) run of 9.91 seconds, and featured on the 2007 IAAF Golden League circuit. He placed second over 200 metres in the national championships behind Olympic champion Usain Bolt. Competing at the 2009 world championships in Berlin, Mullings finished 5th behind Bolt in the 200m in a personal best time of 19.98 seconds and won his first global gold medal as part of the successful Jamaican 4×100 metres relay team, running in both heats and the final.