WThe 2019 African U20 Championships in Athletics was the fourteenth edition of the biennial, continental athletics tournament for African athletes aged 19 years or younger, for the first time held jointly with the African U18 Championships in Athletics. It was held at the Stade Félix Houphouët-Boigny in Abidjan, Ivory Coast, between 16 and 20 April.
WThe 2019 Asian Youth Athletics Championships was the third edition of the biennial, continental athletics competition for Asian athletes aged 15 to 17. It was held at the Tseung Kwan O Sports Ground in Hong Kong from 15 to 17 March. Organised by the Hong Kong Amateur Athletic Association, a total of forty events will be contested with the events divided evenly between the sexes. The host was announced in January 2019 by Asian Athletics Association.
WThe 2019 BWF World Junior Championships was the twenty-first edition of the BWF World Junior Championships. It was held in Kazan, Russia at the Kazan Gymnastics Center from 30 September to 13 October 2019.
WThe 2019 European Athletics U20 Championships were the 25th edition of the biennial European U20 athletics championships. They were held in Borås, Sweden from 18 July to 21 July.
WThe 2019 European Athletics U23 Championships was the 12th edition of the biennial athletics competition between European athletes under the age of twenty-three. It was held in Gävle, Sweden from 11 to 14 July.
WThe 2019 European Youth Olympic Winter Festival was held in Sarajevo & Istočno Sarajevo, Bosnia and Herzegovina from 10 to 15 February 2019.
WThe 2019 European Youth Summer Olympic Festival was held in Baku, Azerbaijan on 21 to 27 July 2019.
WThe 2019 FIBA U18 European Championship was the 36th edition of the FIBA U18 European Championship. The competition took place in Volos, Greece, from 27 July to 4 August 2019.
WThe 2019 FIBA Under-19 Women's Basketball World Cup(Thai: บาสเกตบอลหญิงชิงแชมป์โลกรุ่นอายุไม่เกิน 19 ปี 2019) was a tournament organized by FIBA for women's youth national teams aged 19 years old and below and took place in Bangkok, Thailand from 20 to 28 July 2019. Colombia, Germany and Mozambique made their U-19 Women's Basketball World Cup debut.
WThe 10th NACAC U23 Championships in Athletics were held in Queretaro, Mexico from July 5–7, 2019.
WThe FIS Nordic Junior and U23 World Ski Championships 2019 took place in Lahti, Finland from 19 January to 27 January 2019. This was the 42nd Junior World Championships and the 14th Under-23 World Championships in nordic skiing.
WThe 2019 Pan American U20 Athletics Championships is the 20th edition of the biennial track and field competition for under-20 athletes from the Americas, organised by the Association of Panamerican Athletics. It is held in San José, Costa Rica, from 19 to 21 July 2019.
WThe 43rd South American U20 Championships in Athletics were held at Estadio Pedro Grajales in Cali, Colombia, between 14 and 16 June.
WThe 2019 World Junior Curling Championships was held from February 16 to 23 at the Queens Place Emera Centre in Liverpool, Nova Scotia, Canada.
WThe 2019 World Junior-B Curling Championships was held from December 11 to 18 at the Kisakallio Sports Institute in Lohja, Finland.
WThe 2019 World Junior-B Curling Championships were held from January 2 to 10 at the Kisakallio Sports Institute in Lohja, Finland.