The Mixed 2 × 2 × 400 metres relay at the 2021 World Athletics Relays was held at Silesian Stadium on 1 May. It was the second time that this event was held at the World Athletics Relays, after being first held in 2019. Each team had to comprise one man and one woman, who would each run twice, but could be lined up in any order.Final Results
Records Prior to the competition, the records were as follows: World record United States (Ce'Aira Brown. Donavan Brazier)3:36.92 Yokohama, Japan11 May 2019Championship record United States (Ce'Aira Brown. Donavan Brazier)3:36.92 Yokohama, Japan11 May 2019
Results KEY:WLWorld leadingCRChampionship recordNRNational recordSBSeasonal best
Final
RankNationAthletesTimeNotesJoanna Jóźwik (W), Patryk Dobek (M)3:40.92NRNaomi Korir (W), Ferguson Rotich (M)3:41.79SBAnita Horvat (W), Žan Rudolf (M)3:41.95SB4Ilona Velikanovich (W), Illia Karnavukhau (M)3:48.06NR5Dorothé Évora (W), João Coelho (M)3:51.69SB6Daniela Ledecká (W), Patrik Dӧmӧtӧr (M)3:54.01SB
References