LONDON — A new report by the world’s antidoping watchdog has laid out mountainous proof of Russia’s systematic doping from 2011 to 2015, implicating layers of government employees and more than 1,000 athletes in over 30 sports, and intensifying pressure on the International Olympic Committee to penalize Russia ahead of the 2018 Winter Games.
The evidence, published by the World Anti-Doping Agency, was the coda to a set of investigations conducted by the Canadian lawyer Richard McLaren, who issued a damning report in July that had dramatic repercussions for Russia at the 2016 Rio Olympics.
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