"Yelena Isinbayeva is finishing her career today," the 34-year-old told reporters a day after being elected onto the International Olympic Committee's athletes commission.
"I thought I would be very sad but the election has inspired me. I am not saying goodbye to sport, just to my sport.
"But I am happy I have fulfilled myself and achieved my dreams," added the world record holder.
Isinbayeva was unable to defend her title in Rio after the Russian squad was banned by the International Association of Athletics Federations (IAAF) over a state-sponsored doping scandal which rocked track and field.
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"Why am I here and not preparing for the final? Because the IAAF set criteria that were impossible to meet," she said.
"How can one person ban someone from training and living in their own country?
"These are impossible odds; we could not fulfil these criteria."
Isinbayeva said she has undergone five dope tests in six months, all conducted by foreign testers.
"My victories are all clean, all my tests have been negative. I am a victim of circumstances. At first I thought I would never forgive them for banning me.
"I am proof that clean sport exists in Russia. It's nonsense to ban everyone because a few have doped," added Isinbayeva who blasted the damning McLaren report into Russian doping as being "based on assumptions".
Isinbayeva was one of four new members elected onto the IOC athletes commission on Thursday and will serve an eight-year term.
'Injustice'
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She is also on the equivalent body at the IAAF and claims that Coe, the president, has no contact with her.
"But only one member of the IAAF congratulated me, I was offended by this."
She added: "The president (Coe) doesn't talk to me and avoids all meetings with me. If I had the chance to talk to him, I'd ask why did he ban me.
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