Andrus Veerpalu

Veerpalu also competed in the men's 50 km, Mass Start Classic at the 2010 Winter Olympics, finishing at the 6th place.

Veerpalu became the oldest world champion in history with his victory at Liberec 2009 on the 15 km classical event.

On 23 February 2011, Veerpalu announced that he will end his professional sportsman career due to a chronic knee injury.

Estonian biochemistry doctors explained that the verdict was untimely and that there was no reliable method to distinguish artificial HGH from natural background hormone.

[11] The court stated "that there are many factors in this case which tend to indicate that the Athlete did in fact himself administer exogenous hGH" but found that the decision limit, the threshold for considering the result an adverse analytical finding, was not sufficiently reliable to uphold the doping conviction.