National championships - 
Sierra Leone
Afghanistan
Algeria
Angola
Antigua and Barbuda
Argentina
Australia
Austria
Bahamas
Bahrain
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bolivia
Bosnia and Herzegovina
Botswana
Brazil
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cameroon
Canada
Chile
China
Colombia
Costa Rica
Croatia
Cuba
Cyprus
Czech Republic
Denmark
Dominican Republic
Ecuador
Egypt
El Salvador
Eritrea
Estonia
Ethiopia
Finland
France
Germany
Ghana
Greece
Guam
Guatemala
Guyana
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Jamaica
Japan
Kazakhstan
Kenya
Korea, Republic of
Kuwait
Latvia
Lesotho
Lithuania
Luxembourg
Madagascar
Malaysia
Malta
Mauritius
Mexico
Mongolia
Morocco
Namibia
Netherlands
New Zealand
Nicaragua
Nigeria
North Macedonia
Norway
Pakistan
Panama
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Romania
Russian Federation
Rwanda
Saudi Arabia
Serbia- Sierra Leone
Singapore
Sint Maarten (Dutch part)
Slovakia
Slovenia
South Africa
Spain
Sweden
Switzerland
Syrian Arab Republic
Taiwan
Tanzania, United Republic of
Thailand
Trinidad and Tobago
Tunisia
Turkey
Uganda
Ukraine
United Arab Emirates
United Kingdom of Great Britain and Northern Ireland
United States of America
Uruguay
Uzbekistan
Venezuela
Viet Nam
Virgin Islands (British)
Zimbabwe
| Year | Date | Championships | Winner | Second | Third | Type |
|---|---|---|---|---|---|---|
| Year | Date | Championships | Winner | Second | Third | Type |