Bangladesh competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September – 6 October 2019.
Results (q – qualified, NM – no mark, SB – season best)
Men Track and road events AthleteEventPreliminary RoundHeatSemi-finalFinalResultRankResultRankResultRankResultRank Mohammad Jahir Rayhan 400 metres48.4840colspan=6
References