Most athletes to compete in an World Athletics Championships
- Who
- Budapest
- What
- 2100 total number
- Where
- Hungary (Budapest)
- When
- 27 August 2023
The most athletes to take part in an World Athletics Championships is 2,100 and was achieved by Budapest, Hungary for the 19th staging of the competition on 27 August 2023.
The World Athletics Championships 2023 took place in Budapest, Hungary from 19 August to 27 August 2023. Over 2000 athletes competed at the championships.