Welcome to the British Mathematical Olympiad

• National olympiads:
  • The British Mathematical Olympiad
  • The UK Mathematical Olympiad for Girls (UK MOG) and Mathematical Competition for Girls
• National events: events calendar, UK Olympiad Training; the annual IMO Lecture and Celebration (where prizes are presented)
• International events, including reports on each year’s events:
  • The International Mathematical Olympiad
  • The Balkan Mathematical Olympiad
  • The Romanian Master of Mathematics
  • The European Girls’ Mathematical Olympiad
  • The Mathematics Ashes (held each year just before the IMO)
• Other information and links:
  • BMOS and UKMT supporters may elect to make a small tax efficient regular donation to these organizations.
  • Committee information: a short history of the BMOC, list of current committee members; list of other people involved in BMOS activities
  • BMO policies on use of BMO material and on eligibility
  • Contact details
  • Past news and events

EGMO 2025 team (16 February 2026)

The 15th European Girls’ Mathematical Olympiad will be held 9–15 April in Bordeaux, France. The UK team will be:

The reserve is Anastasiia Nosyk (Blundell’s School). The Team Leader is Emily Beatty and the Deputy Leader is Eleanor MacGillivray; Sarah Henderson will be Observer with Contestants.

BMO Round 2 high scores (16 February 2026)

The following BMO2 candidates scored 26 or more out of 40.

BMO Round 2 (23 January 2026)

This year’s BMO Round 2 paper was taken on Wednesday 21 January; video solutions are available online. Production facilities for the video were donated by University of Bath Media Production. The problems were by Jeremy King, Jon Hart, Jon Hart, and Owen Mackenzie, respectively.

Romanian Master of Mathematics 2026 UK participants (7 January 2026)

Following the annual IMO Winter School held in Hungary, 27 December to 4 January, the students to represent the UK at the Romanian Master of Mathematics competition have been selected as:

Jayden Joo (Luckley House School) is the reserve.

The leaders are Andjela Sarkovic (King’s College, Cambridge), Andrew Ng (University of Bonn) and Kian Moshiri (University of Warwick). The RMM will take place in Bucharest, 23–28 February.

BMO Round 1 high scores and markers’ report (18 December 2025)

The following BMO Round 1 candidates scored 52 or more out of 60. The markers’ report on BMO1, with discussions of different approaches to the problems, is also available.

BMO Round 1 (21 November 2025)

This year’s BMO Round 1 paper was taken on 19 November; video solutions are available online. Production facilities for the video were donated by University of Bath Media Production. The problems were by Richard Freeland, Sam Cappleman-Lynes, Richard Freeland, Gerry Leversha, Dominic Rowland, and Dominic Rowland, respectively.

UK MOG markers’ report (10 October 2025)

The markers’ report for the 2025 Mathematical Olympiad for Girls paper, with statistics of results, is now available.

UK MOG prize winners (9 October 2025)

The following participants in the Mathematical Olympiad for Girls scored 44 or more out of 50 and have been awarded book prizes.

Mathematical Olympiad for Girls and Mathematical Competition for Girls (27 September 2025)

The Mathematical Olympiad for Girls (MOG) and Mathematical Competition for Girls (MCG) papers were taken on Thursday. Solutions to MOG and MCG are also available.

IMO 2025 results (18 July 2025)

The IMO 2025 papers were sat on 15 and 16 July in Sunshine Coast, Australia. The results of the UK team members are shown below. We obtained three gold, one silver and two bronze medals and a score of 178 out of 252, coming 16th out of 110 participating countries. The medal boundaries were 35 for Gold, 28 for Silver and 19 for Bronze. The problems were submitted by the USA, Vietnam, Colombia, Lithuania, Italy and Singapore, respectively.

Mathematics Ashes results (12 July 2025)

The UK has won the 18th Mathematics Ashes competition, decided on the results of today’s practice exam at the joint pre-IMO training camp; the results for the two teams were as follows, with the UK scoring a total of 54 and Australia scoring a total of 53:

IMO team selected (5 May 2025)

The following six students have been selected as the UK team for IMO 2025, to be held in Sunshine Coast, Australia, 10–20 July.

The Team Leader is Dominic Yeo (King’s College London) and the Deputy Leader is Samuel Liew (Trinity College, Cambridge); the team will also be accompanied by Ava Yeo. The reserve is William Harwood (Nottingham High School).

EGMO 2025 Deputy Leader’s report available (29 April 2025)

A report on EGMO 2025 by Deputy Leader Emily Beatty is now available.

Balkan Mathematical Olympiad results (28 April 2025)

The UK team at the Balkan Mathematical Olympiad in Sarajevo, Bosnia and Herzegovina have achieved the following scores (each question marked out of 10). The medal cut-offs were 33 for gold, 23 for silver and 11 for bronze.

EGMO results (16 April 2025)

The UK team in the 14th European Girls’ Mathematical Olympiad have achieved the following results, coming equal 10th out of 56 participating teams (5th out of 35 official European teams). The medal boundaries are 27 for gold, 20 for silver and 15 for bronze.

European Girls’ Mathematical Olympiad Day 2 (14 April 2025)

The problems from the second paper at the 14th European Girls’ Mathematical Olympiad, sat today in Prishtina, Kosovo, are now available. The problems were submitted by Slovakia, Turkey and Lithuania, respectively.

European Girls’ Mathematical Olympiad Day 1 (13 April 2025)

The problems from the first paper at the 14th European Girls’ Mathematical Olympiad, sat today in Prishtina, Kosovo, are now available. The problems were submitted by Lithuania, the Netherlands and Slovakia, respectively.

Balkan Mathematical Olympiad team selected (8 April 2025, leaders added 11 April 2025)

The UK has been invited as a guest nation to send a team to the Balkan Mathematical Olympiad, to be held in Sarajevo, Bosnia and Herzegovina, 25–30 April. After the training camp held at Trinity College, Cambridge, the team has been selected as follows.

The team will be led by Jamie Bell (University College, London) and Vesna Kadelburg (The Perse School).

IMO squad selected (8 April 2025)

At the training camp held at Trinity College, Cambridge, the following IMO squad of nine was selected. These students will participate in further training and selection tests before the IMO team of six and the first reserve for the IMO in Australia are chosen.

The Team Leader is Dominic Yeo (King’s College London) and the Deputy Leader is Samuel Liew (Trinity College, Cambridge); the team will also be accompanied by Ava Yeo. The IMO will take place in Sunshine Coast, Australia, 10–20 July.

Romanian Master of Mathematics results (14 February 2025)

The UK participants in the Romanian Master of Mathematics competition have achieved the following results, coming equal 12th out of 16 teams in the team competition. The medal boundaries are 27 for gold, 21 for silver and 16 for bronze. The problems (day 1, day 2) are available; problem 4 was a UK submission, by Will Steinberg.