Pognon was established in 2000 with the French 4 x 100 - meter relay Junior World Champion. At the Junior European Championships 2001 Pognon won the 200 -meter run. In the U23 European Championships 2003, he won the 100 -meter run. In the 2004 Olympics he reached the semifinals in the 100 meters.
He was about 60 meters at the European Indoor Championships Second behind the British Jason Gardener 2005. In the outdoor world championships in Helsinki, he retired about 100 yards again in the semifinals. As a member of French 4 x 100 - meter relay team, he won gold in Helsinki.
Pognon introduced in 2005 in Karlsruhe in 6.45 s a European indoor record over 60 meters on, which was improved by Briton Dwain Chambers 2009. Pognon ranked on a shared fifth place in the all world leaderboard.
On 5 July 2005, he turned in Lausanne on a new French record in the 100 -meter run and stayed with 9.99 s the first Frenchman under the 10-second limit. He was the only fifth European to undercut this limit under normal wind conditions. He therefore considered one of the major competitors of Francis Obikwelu at the European Championships in Gothenburg in 2006, but could not meet and was in fourth place, while Obikwelu won the gold medal of the. With the French 4 x 100 - meter relay team, he won on the final day of the European Championships then the bronze medal.
At the European Indoor Championships 2007, he won over 60 meters bronze. Then Pognon fell into a deep power. In the 2008 Olympics he was eliminated in the flow, for the season he was not prepared. Also at the 2009 World Championships, he left early, but he was again a member of the French squadron, which reached the eighth place. In 2010 he was. During the IAAF World Indoor Championships in 2010 sixth in the 60 - meter dash At the European Championships in Barcelona, he reached over 100 meters is not the final and was not nominated for the season, which won the gold medal.
2012 Pognon again managed the leap into the French squadron. At the European Championships in Helsinki, the French won the bronze medal at the Olympic Games in London, they were ranked number four.
At a size of 1.84 m Pognon has a weight of 80 kg.