Athletes in doping scandals

Three Russian Olympic walk champions got doping bans

Photo {{sliderIndex+1}} from 10

Photo: Gold-medallist Sergey Kirdyapkin of Russia competes during the men's 50-kilometer race walk competition at the 2012 Summer Olympics

Valery Borchin, an Olympic gold medalist in 2008, was banned for eight years from October 2012 for a second doping offense. Photo: Russia's Valeriy Borchin (right), China's Wang Zhen, Russia's Vladimir Kanaykin, South Korea's Kim Hyunsub and Italy's Alex Schwazer compete in the Men's 20km Race Walk at the World Athletics Championships in Daegu, South Korea, 2011

Russia's Olympic walk champion Olga Kaniskina was handed suspension term of three years and two months. Photo: Olga Kaniskina after winning gold in the women's 20km race walk at the 2008 Summer Olympic Games in Beijing, China

The International Association of Athletics Federations (IAAF) should decide whether to rescind Olympic medals from a group of Russian athletesю Photo: Gold medalist Elena Lashmanova of Russia and teammate and silver medalist Olga Kaniskina after the women's 20-kilometer race walk competition at the 2012 Summer Olympics, London

2011 world champion Sergei Bakulin was also disqualified after he was found guilty of violating anti-doping regulations. Photo: Sergey Bakulin of Russia crosses the finish line to win the men 50km Walk in Daegu during the 13th IAAF World Championships in Republic of Korea, 2011

US athlete Marion Jones won 3 gold medals at the 2000 Summer Olympics in Sydney, Australia, but was later stripped of the titles after admitting doping

Ben Johnson of Canada who set 100 metres world records at the 1987 World Championships in Athletics and the 1988 Summer Olympics, was disqualified for doping, losing the Olympic title and both records

Tennis star Martina Hingis was banned for two year from sport after being tested positive for cocaine in 2007. Photo: Martina Hingis holds her trophy, after defeating Jana Novotna in the Women's Singles final at Wimbledon, 1997. Hingis became the youngest winner of the championship

Russian cross country skiers Larissa Lazutina and Olga Danilova were banned from competitions for a period of 2 years due to a positive drug test results during the 2002 Winter Olympics in Salt Lake City. Danilova and Lazutina both lost their gold and silver medals. Photo: Russia's Olga Danilova and Larissa Lazutina at the Winter Olympics, 2002

In 2012 the Union Cycliste Internationale (UCI) disqualified famous cyclist Lance Armstrong from Tour de France races he won between 1999 and 2005 for doping offenses, banning Armstrong from competitive cycling for life

Three Russian Olympic champions were suspended as part of an investigation into doping in Russian athletics lately. The three, all race-walkers, are Sergei Kirdyapkin, who won gold in the men’s 50-kilometer race at the London 2012 Olympics, and Valery Borchin and Olga Kaniskina, who won men’s and women’s 20km gold at the Beijing Olympics in 2008. Athletes involved in doping scandals - in photo gallery by TASS