British Mathematical Olympiad

Calendar of Events

For older events see the calendar of past events.

22 September 2025 IMO Lecture and Celebration, Jane Street, London
25 September 2025 UK Mathematical Olympiad for Girls
4–5 October 2025 UK MOG marking
9 October 2025 Senior Mathematical Challenge (SMC)
October 2025 (date to be confirmed) BMO setting
19 November 2025 BMO Round 1
5–7 December 2025 BMO Round 1 marking
27 December 2025–4 January 2026 Joint Hungary/UK IMO camp in Hungary
21 January 2026 BMO Round 2
31 January 2026 BMO Round 2 marking
February / March 2026 (dates to be confirmed) Romanian Master of Mathematics competition
March / April 2026 (dates to be confirmed) IMO training and selection camp, Trinity College, Cambridge
9–15 April 2026 European Girls’ Mathematical Olympiad, France
18 April 2026 UKMT AGM
3–8 May 2026 Balkan Mathematical Olympiad, Greece
May / June 2026 (dates to be confirmed) IMO selection camp (location to be confirmed)
July 2026 (dates to be confirmed) pre-IMO camp (details to be confirmed)
10–20 July 2026 IMO in China
August 2026 (dates to be confirmed) Camp for students new to Olympiad training (venue to be confirmed)
21 September 2026 IMO Lecture and Celebration, Jane Street, London
September / October 2026 (date to be confirmed) UK Mathematical Olympiad for Girls
October 2026 (dates to be confirmed) UK MOG marking
October 2026 (date to be confirmed) Senior Mathematical Challenge (SMC)
October 2026 (date to be confirmed) BMO setting
November 2026 (date to be confirmed) BMO Round 1
December 2026 (dates to be confirmed) BMO Round 1 marking
27 December 2026–4 January 2027 Joint Hungary/UK IMO camp in Hungary
January 2027 (date to be confirmed) BMO Round 2
January 2027 (date to be confirmed) BMO Round 2 marking
February / March 2027 (dates to be confirmed) Romanian Master of Mathematics competition
March / April 2027 (dates to be confirmed) IMO training and selection camp, Trinity College, Cambridge
11–17 April 2027 European Girls’ Mathematical Olympiad, Croatia
April 2027 (date to be confirmed) UKMT AGM
April / May 2027 (dates to be confirmed) Balkan Mathematical Olympiad (location to be confirmed)
May / June 2027 (dates to be confirmed) IMO selection camp (location to be confirmed)
July 2027 (dates to be confirmed) pre-IMO camp (details to be confirmed)
July 2027 (dates to be confirmed) IMO in Hungary
August 2027 (dates to be confirmed) Camp for students new to Olympiad training (venue to be confirmed)
September 2027 (date to be confirmed) IMO Lecture and Celebration (venue to be confirmed)
September / October 2027 (date to be confirmed) UK Mathematical Olympiad for Girls