A doping scandal lead to The International Association of Athletics Federations (IAAF) banning Russian Federation athletes from participating in international competitions, which prevented Chuvash sportsmen, too, from attending athletic tournaments.
Tatiana Arhipova missed the Japan marathon which happened in the weekend.
The Chuvash Athletics team trainer Nikolai Panfilov says Natalia Puchkova and Alina Prokopieva's participation in world tournaments is also doubtful.
The 2016 World Race Walking Cup which was to take place in Cheboksary was cancelled last week. Chuvash Sports Minister Sergei Sheltukov says the official cancellation documents haven't yet arrived, therefore the tournament preparations continue as scheduled.