The event is being staged in Lima, Peru from 27 to 31 August 2024.

On 5 April 2023 it was announced that the city had initially withdrawn as a host of the 2024 World Athletics U20 Championships due to "recent political instability, social unrest and natural disasters".

[1][2] However on 14 August 2023, Lima was reinstated as host city for the event as all the issues were stabilised.

[4] [5][6][7][8] * – Indicates the athlete competed in preliminary heats but not the final.

A country without any qualified athlete could enter either one male or one female.