Complex sentence: He competed at world championships, including at the 2010,2011,2013,2014 and 2015 Trampoline World Championships, winning the gold medal in the team event.
Split into simpler sentences: He competed at world championships, including at the 2010,2011,2013,2014 and 2015 Trampoline World Championships. In 2015 hge won the gold medal in the team event.