Lemoncello made his marathon debut in April 2010 at the London Marathon. He finished in a time of 2:13:40 for eighth place, the first European man to cross the line.Brown, Matthew (25 April 2010). Commanding victories for Kebede and Shobukhova – London Marathon report. IAAF. Retrieved 28 April 2010. In September 2010, he competed in the Great Yorkshire Run in Sheffield and finished in fourth place with a time of 29:08 minutes.Mills, Steven (5 September 2010). Murray defends Yorkshire 10km title . Athletics Weekly. Retrieved 6 September 2010.
