query: Which marathons did Kirsten Melkevik Otterbu run in 2005, 2006 and 2008, and what place did he finish in each of them?
answer: In the marathon event, Kirsten Melkevik Otterbu finished 28th at the 2005 World Championships, 13th at the 2006 European Championships, and 34th at the 2008 Olympic Games.