Harting set a championship record of 66.80 m to win at the 2010 European Team Championships and recorded a mark of 68.67 m the following month at the 2010 German Athletics Championships to take the national title. He threw 68.47 m in the final of the 2010 European Athletics Championships but this was not enough to beat Malachowski. Still, the silver medal was his first at the primary continental championships. He competed in the 2010 IAAF Diamond League and won at the Weltklasse Zurich, but it was Malachowski who won the overall Diamond Race Trophy. He improved his personal best in Neubrandenburg in a one-on-one competition against Malachowski, taking the win with a throw of 69.69 m. He defended his world title at the 2011 World Championships in Athletics with a winning mark of 68.97 m.