https://www.bbc.com/sport/athletics/60560567
'Russian football's governing body, the RFU, said it "categorically disagreed" with the decision and would challenge it "in accordance with international sports law". Spartak Moscow called the decision "upsetting", tweeting: "We believe that sport, even in the most difficult times, should aim to build bridges, and not burn them."'
I think that kind of talk goes out of the window when your country invades a sovereign nation. Perhaps they could refer themselves to laws governing such actions.