Karel Viigipuu is a student and lives and trains in Elva . The Elva Skiclub athlete is trained by Rein Pedaja. He started biathlon in 1999 and has been a member of Estonia's national team since 2005. In 2005 he took part in the Junior World Championships for the first time in Kontiolahti and was 22nd in the individual, 45th in the sprint, 34th in the pursuit race and 15th in the relay. A year later at Presque Isle , the Estonian finished 53rd in the Individual, 47th in the Sprint and 44th in the Pursuit. In the further course of the year Viigipuu took part in the junior races of the Summer Biathlon World Championships 2006 in Ufa and achieved 15th place in the sprint and eleventh in the pursuit in the cross-country competitions. On roller skis , ranks 13 in the sprint and six in the pursuit were added. In Martell she took part in her third and last Junior World Championship and reached 64th place in both the individual and the sprint. He also took part in the 2007 Summer Biathlon World Championships . They were held in their native Otepää . Viigipuu won the silver medal in the cross-country competition behind Daniil Steptšenko in the sprint and was seventh in the mass start. On rollerski he came in 28th place in the sprint and was 15th in the pursuit.