British Mathematical Olympiad (BMO)
Mathematics
United Kingdom
Competition Overview
Eligible ages: 14 - 19
School level: Upper secondary / sixth form (selection from UKSMC performance)
Competition stages: BMO1 then BMO2 (invitation and discretionary/fee pathways)
Registration method: School Only
Fee: BMO2 additional entry may require payment (see official BMOS rules)
Online / in-person: In-person
Official Links
Dates
Registration open: Unknown
Registration deadline: 19 Nov 2025
Competition date start: 19 Nov 2025
Competition date end: 21 Jan 2026
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Competition Evaluation
Approved CompeteMap evaluation based on source-backed competition attributes.
Level guide
Entry requirement: Qualification or invitation required
Skill demand: Expert skill demand
Output: Standard complete task or submission
Selection process: International selection
Recognition: International recognition
Why this level
5 evaluation dimensions have source-backed automatic scores; 0 dimensions need conflict review.
Our Take
CompeteMap's editorial perspective, based on our research and competition guide.
BMO1 date: 19 Nov 2025. BMO2 date: 21 Jan 2026. BMO1 is 3.5 hours with 6 problems; BMO2 is 3.5 hours with 4 problems. Competition pathway image:
Trust Metadata
Last checked at: 21 Jun 2026
Verification status: Verified
Source URLs
- https://bmos.ukmt.org.uk/home/bmo
- https://bmos.ukmt.org.uk/home/calendar.shtml
- https://ukmt.org.uk/competition-calendar-2025-26
Why this listing is included
- BMO1 is a 3.5-hour paper with 6 problems.
- BMO2 is a 3.5-hour paper with 4 problems.
- BMO Round 1 date is 19 Nov 2025.
- BMO Round 2 date is 21 Jan 2026.
- Selection is based on UKSMC/BMO1 performance with invitation and discretionary pathways.
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