Ritangle 2025 took place from 8 October to 5 December 2025, with 1,854 teams taking part.
The winning team was from the King’s College London Mathematics School.
Ritangle is a competition designed for teams of students aged 16-18 who are currently studying either:
- A level Mathematics
- The International Baccalaureate
- Scottish Highers
- Qualifications with equivalent content
