However his time of 2.07.12 showed his world class. The world champion on the half marathon of 2004 ran his fastest marathon in 2006 in 2.06.44. Finally the 34-year-old Benjamin Limo will make his debut on the marathon. Limo experienced his biggest triumph during the World Championships in Helsinki in 2005. He won the gold medal on the 5,000 metres, after winning silver on the same distance in Seville in 1999.