Achievements In 2012, he won a silver medal in the men"s C-1 at the London Olympic Games behind Tony Estanguet (FRA) and beating two time Olympic Champion Michal Martikán (SVK). He also won four silver medals in the C-1 team event at the International Coach Federation Canoe Slalom World Championships, earning them in 2010, 2011, 2013 and 2015. Tasiadis won seven medals at the European Championships (1 gold, 5 silvers and 1 bronze). Tasiadis won the overall World Cup title in the C-1 category in 2013.