Tajikistan competed at the 2000 Summer Olympics in Sydney, Australia.
Athletics
Men
AthleteEventFinalResultRankSergey ZabavskyMarathon2:30:2968
Women
AthleteEventFinalResultRankGulsara DadabayevaMarathon2:51:0341
Swimming
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankFarkhod Oripov 100 m freestyleDSQdid not advance
Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankKaterina Izmaylova 100 m freestyle1:19.1254did not advance
References
Sources Official Olympic Reports https://www.topendsports.com/events/summer/countries/tajikistan.htm