Most people performing jumping jacks simultaneously
- Who
- Mistrzostwo Świata W Pomaganiu
- What
- 2251 people
- Where
- Poland (Karczew)
- When
- 30 September 2018
The most people performing jumping jacks simultaneously is 2,251, and was achieved by Mistrzostwo Świata W Pomaganiu (Poland), in Karczew, Poland, on 30 September 2018.
This record attempt was organised to help raise money for charity.