Winter Round 2026
Dear friends of mathematics,
The Winter Round of the Mathematics Without Borders tournament begins on January 15, 2026.
All participants from the Autumn Round are welcome, regardless of their results.
New participants — both students and schools — are also invited to join the Winter Round.
We wish everyone happy holidays!
The Autumn Round Results
A total of 25,898 participants from 20 countries took part in the autumn round.
Participating countries: Afghanistan, Australia, Azerbaijan, Bulgaria, Estonia, Hong Kong, Indonesia, Kazakhstan, Malaysia, Malta, Nigeria, the Philippines, Republic of North Macedonia, Romania, Serbia, Singapore, Türkiye, Ukraine, USA, Uzbekistan.
By 10 December 2025, the organizers will send the certificates for all participants and the medals for the winners to the schools/centers where they took part in the competition.
According to the tournament regulations, participants and their parents should address all questions to their school organizers. We express our gratitude to the colleagues from the participating schools for providing the conditions that allow students to demonstrate their abilities.
The winter round will take place from 15 to 25 January 2026.
All interested students may participate, regardless of whether they took part in the autumn round or what results they achieved.
We thank all participants, their teachers, parents, and school organizers for their efforts and support!
— the MWB Team
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Dear friends of Mathematics Without Borders,
During the last 12 years, since 2013, Bulgaria has been the host of Mathematics Without Borders International Tournament for students aged 7 to 18.
During those 12 years, the tournament has become one of the biggest contests in Bulgaria, as well as worldwide, in terms of participant numbers and number of participating countries from 5 continents.
We kindly invite you to join the 13th edition of the tournament during the 2025/2026 academic year.
TIME SCHEDULE 2025/2026
Autumn round – 20–30 October 2025
Winter round – 15–25 January 2026
Spring round – 1–10 March 2026
Final – Nessebar, Bulgaria – 4–7 July 2026
The tournament is for students aged 7 to 18 years, divided into nine age groups:
Group 1 – students born in 2018Group 2 – students born in 2017Group 3 – students born in 2016Group 4 – students born in 2015 | Group 5 – students born in 2014Group 6 – students born in 2013Group 7 – students born in 2012Group 8 – students born in 2011 |
Group 9 – students born in 2010 or earlier (15-18-year-old students) | |
MATHEMATICS WITHOUT BORDERS – FINAL 2025 – AWARDS:
REMOTE FINAL RESULTS
TEAM Awards 2025
Awards 2025
Cup Winners 2025
MATH STARS
LEGENDS OF THE TOURNAMENT 2025
Winners Mayor
