Rally Finland
A former kart racer, Ketomaa started rallying in 1995. He made his World Rally Championship debut in 2000 at Rally Finland. He won the Group N class of the Finnish Rally Championship in 2006 and 2007. In 2008, he competed a full season in the Production World Rally Championship, finishing the season third in the standings. Ketomaa regained the Finnish Group N title in 2009. He also made his debut in a World Rally Car at 2009 Rally Finland, finishing seventh overall. In 2010, Ketomaa is competing in the Super 2000 World Rally Championship in a Ford Fiesta S2000. In 2011 Ketomaa raced in Rally Finland with Ford Fiesta RS WRC and lead after first special stage but later retired from top 5 position.