 Roponen also won two team sprint medals at the FIS Nordic World Ski Championships with a gold in 2007 (with Virpi Kuitunen) and a silver in 2005 (with Pirjo Manninen).Roponen also earned two more gold medals in the 4 × 5 km relay, earning them in 2007 and 2009.Roponen's best individual finish at the Winter Olympics is sixth in the 10 km freestyle at Vancouver in 2010.