Combined events at the Olympics combined event featured on the programme, as happened at the 1904 Summer Olympics, but the Greeks introduced a variation of the Ancient Olympic pentathlon. This contained four track and field events – standing long jump, ancient-style discus throw, javelin throw and a stadion race (192 m) – with the final event being Greco-Roman wrestling. American Martin Sheridan was the initial favourite, having already won gold and silver medals in individual jump and throws events, but dropped out due to injury. Lawson Robertson and István Mudin each won two of the rounds (Robertson the long jump and stadion, Mudin the discus
Doping at the Olympic Games lifetime ban for doping during the London Olympics, along with 800m bronze medalist Ekaterina Poistogova. On 10 February 2017, the Court of Arbitration for Sport upheld a four-year ban that effectively stripped Savinova of her Olympic gold and other medals. On 7 April 2017, CAS refused to decide on disqualification from 2012, and disqualify Ekaterina Poistogova from 2015. Thus, Ekaterina Poistogova retained her Olympic 2012 medal at women's 800 metres athletic event. In April 2017, the Olympics has had 29 Olympic medals stripped for doping violations. Russia is the leading country with 13 medals stripped. Athletes who were selected for