This is a list of missing biography articles for athletes who ranked in the top 25 of an individual event at the 2019 World Athletics Championships. Compiled on 25 January 2020, a total of 48 athletes were missing at creation. Athletes in bold finished in the top ten of their event.
- 800 m
- 5000 m
- 10,000 m
- 3000 m s'chase
- Marathon
- 20 km walk
- 50 km walk
- Mar Juárez
- Nadzeya Darazhuk
- Angeliki Makri
- Mara Ribeiro
- Elianay Pereira
- Marc Tur
- Jonathan Hilbert
- Valeriy Litanyuk
- High jump
- Long jump
- Triple jump
- Shot put
- Discus throw
- Hammer throw
- Javelin throw
This is a list of missing biography articles for athletes who ranked in the top 25 of an individual event at the 2019 World Athletics Championships. Compiled on 25 January 2020, a total of 48 athletes were missing at creation. Athletes in bold finished in the top ten of their event.
- 800 m
- 5000 m
- 10,000 m
- 3000 m s'chase
- Marathon
- 20 km walk
- 50 km walk
- Mar Juárez
- Nadzeya Darazhuk
- Angeliki Makri
- Mara Ribeiro
- Elianay Pereira
- Marc Tur
- Jonathan Hilbert
- Valeriy Litanyuk
- High jump
- Long jump
- Triple jump
- Shot put
- Discus throw
- Hammer throw
- Javelin throw