Claudia Pechstein

Claudia Pechstein is a German speed skater. She has won five Olympic gold medals. With a total of nine Olympic medals, five gold, two silver and two bronze, she was the most successful Olympic speed skater, male or female, of all-time, until the gold medal of Ireen Wüst in the 2018 Winter Olympics of PyeongChang, and also the most successful German Winter Olympian of all-time. After the World Championships in Norway in February 2009, Pechstein was accused of blood doping and banned from all competitions for two years.