Claudia Pechstein

Claudia Pechstein is a retired 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 previously the most successful Olympic speed skater, male or female, of all time,. Pechstein is 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.