British Mathematical Olympiad Round 1

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Mathematics

United Kingdom

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Competition Overview

Eligible ages: ? - 14

School level: England, Wales and Overseas: Year 13 and below Scotland: S6 or below Northern Ireland: Year 14 or below

Competition stages: Time limit 3.5 hours

Registration method: Individual Allowed

Fee: £40 per discretionary entry free entry via qualification. Sold individually

Online / in-person: Online

Official Links

Official website

Dates

Registration open: Unknown

Registration deadline: 26 Oct 2025

Registration closed

Competition date start: 19 Nov 2025

Competition date end: 20 Nov 2025

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Competition Evaluation

Approved CompeteMap evaluation based on source-backed competition attributes.

Suitable level: Expert Level

Level guide

LowerHigher

The highlighted color marker shows where each metric sits on its 0-4 scale.

Entry requirement: Qualification or invitation required

Skill demand: Expert skill demand

Output: Mature or multi-part output

Selection process: International selection

Why this level

4 evaluation dimensions have source-backed automatic scores; 0 dimensions need conflict review.

Last evaluated: 10 Jun 2026

Our Take

CompeteMap's editorial perspective, based on our research and competition guide.

The competition is open to eligible students. UKMT invites around 1000 qualifying students from the SMC, those who did not participate in the SMC can be entered at the discretion of their schools. For more information and past papers visit the BMO site here.