Algo Kärp
Algo Kärp is a former Estonian cross-country skier who competed from 2004 to 2018. His best World Cup finish was 16th in a 50km event in 2014 Oslo, Norway. He represented Estonia at the 2010, 2014 and 2018 Winter Olympics.
On 5 March 2019 Kärp confessed that, since 2016, he and Karel Tammjärv had used blood doping assisted by German sports doctor Mark Schmidt. He admitted that he wasn't aware of the third Estonian in the doping scandal, Andreas Veerpalu, using blood doping.
