Russia’s track and field team has been barred from competing in this summer’s Rio Games because of a far-reaching doping conspiracy, an extraordinary punishment that might be without precedent in Olympics history.
The global governing body for track and field, known as the I.A.A.F., announced the decision on Friday, ruling in a unanimous vote that Russia had not done enough to restore global confidence in the integrity of its athletes.
The International Olympic Committee, the ultimate authority over the Games, is due to discuss the decision on Tuesday. If Olympics officials were to amend the ruling against Russia, it would be an unusual move, as they have historically deferred to the governing bodies for specific sports.
The Russian ministry of sport said in a statement on Friday that it was “extremely disappointed,” adding: “We now appeal to the members of the…