Competition Calendar
Annual timeline of math competitions worldwide. Plan ahead and never miss a registration deadline.
Registration opens through exam centers and schools
Registration opens (January-February)
Competition held in January
Competition held in January
Held in January
Contest 3 (January)
Registration deadline (January)
Meet 3 (January, all grades)
Contest 3 (January)
Online test opens (mid-January)
Round 1 (late January)
Registration deadline
AIME I and AIME II held in February
Chapter competitions (February)
Held in February
Held in February
Contest 4 (February)
Meet 4 (February, all grades)
Bonus Round for top scorers (February)
Level 2 (February, for top 5% qualifiers)
Contest 4 (February)
Registration deadline (late February)
Round 2 (February, top qualifiers)
Registration deadline (early March)
Competition day (single Saturday in March)
Third Thursday of March (worldwide Kangourou Day)
Competition held in March-April
Third Thursday of March (worldwide Kangourou Day)
USAMO held in March
State competitions (March)
Second Monday of March
Contest 5 (March)
Meet 5 (March, all grades)
Round 1 (March)
Competition week (March 19-26)
Online test closes (mid-March)
Regional semi-finals (March)
State championships (spring)
National Olympiad held April-May
Held in April/May
Held in April
Held in April
Competition held in April
Spring contest (April)
Contest 5 (April)
National competition (May)
Senior BMO held in May
Held in May
Phase 1 (first semester)
Contest 6 (May)
National Finals in Chicago (late May)
Junior BMO (JBMO) held in June/July
Round 1 in June
Challenge held in June
Round 2 (for qualifiers)
Competition held in July (host country rotates annually)
Round 2 (proof-based) in July for qualifiers
SEAMO X International Final
Competition day (July, varies annually)
Second Thursday of August
International final (Paris, summer)
MMOS free training program begins (August-October)
Held in September
Phase 2 (second semester)
National rounds (September-November, varies by country)
Registration through schools (early October)
Competition held late October to mid-November
Held in October/November
Fall contest (October/November)
Contest 1 (October, free)
Competition season begins (fall)
AMC 10A and 10B held on separate dates in November
AMC 12A and 12B held on separate dates in November
School competitions (November-January)
Contest 1 (November)
Meet 1 (November, grades 4-9)
Main challenge (November, autumn term)
Level 1 (November-December)
Contest 2 (November)
Qualifying round (correspondence, November)
Contest 2 (December)
Meet 2 (December, grades 4-9)
Level 1 continued (December)