WThe 2017 African Junior Athletics Championships was the thirteenth edition of the biennial, continental athletics tournament for African athletes aged 19 years or younger. It was held at the Stade Lalla Setti in Tlemcen, Algeria, between 29 June and 2 July.
WThe 2017 Asian Youth Athletics Championships was the second edition of the biennial, continental athletics competition for Asian athletes aged fifteen to seventeen. It was held at the National Stadium in Bangkok, Thailand from 20–23 May. Organised by the Athletics Association of Thailand, a total of forty events were contested with the events divided evenly between the sexes. The event programme mirrored that of the previous IAAF World Youth Championships in Athletics, with the exception of a boy's decathlon, rather than the octathlon.
WThe 2017 Youth Beach Handball World Championship was the first edition of IHF Youth Beach Handball World Championship organised by the Mauritius Handball Association under the auspices of the International Handball Federation. The event was held in Flic-en-Flac, Mauritius from 11 to 16 July 2017. It was played in under-17 years category. It also acted as a qualification tournament for the 2018 Summer Youth Olympics which was held in Buenos Aires (Argentina).
WThe 2017 BWF World Junior Championships was the nineteenth tournament of the BWF World Junior Championships. It was held in Yogyakarta, Indonesia at the Among Rogo Sports Hall between 9 and 22 October 2017.
WThe 2017 Commonwealth Youth Games was the sixth edition of the Commonwealth Youth Games which started in 2000. The games were held from 19 to 23 July 2017 64 nations participated at the games. The Bahamas 2017 was the largest international sporting event ever to be hosted in The Bahamas, and the largest-ever edition of the Youth Games, with up to 1300 athletes. During the opening ceremony the Prime Minister of the Bahamas Hubert Minnis declared the games officially open.
WThe 2017 European Athletics U20 Championships were the 24th edition of the biennial European U20 athletics championships. They were held in Grosseto, Italy from 20 July to 23 July.
WThe 2017 European Athletics U23 Championships is the 11th edition of the biennial athletics competition between European athletes under the age of twenty-three. It is held in Bydgoszcz, Poland from 13 to 16 July. This is the second time that the competition is being hosted by Bydgoszcz after the 2003 edition.
WThe 2017 European Youth Olympic Winter Festival was held in Erzurum, Turkey from 12 to 17 February 2017.
WThe 2017 European Youth Summer Olympic Festival was held in Győr, Hungary, between 23 July and 30 July 2017.
WThe 2017 FIBA U16 Women's European Championship was the 29th edition of the Women's European basketball championship for national under-16 teams.
WThe 2017 FIBA Under-19 Women's Basketball World Cup(Italian: Campionato mondiale di basket femminile Under 19 FIBA 2017) was hosted by Italy from 22 to 30 July 2017.
WThe 2017 FIBA U20 Women's European Championship was the 16th edition of the Women's U-20 European basketball championship. 16 teams participated in the competition, which was played in Matosinhos, Portugal, from 8 to 16 July 2017.
WThe Netball World Youth Cup Gaborone 2017 (NWYC2017) was the eighth staging of the tournament previously known as the World Youth Netball Championships, the premier competition in international netball, contested every four years. The 2017 tournament, to be held from 8–16 July, held in Gaborone, Botswana, which is first African region country to host the tournament. Matches are to be played at University of Botswana Indoor Stadium and Ditshupo Hall. Twenty nations competed at the championships.
WThe 2017 Pan American U20 Athletics Championships was the nineteenth edition of the biennial track and field competition for under-20 athletes from the Americas, organised by the Association of Panamerican Athletics. It was held in Trujillo, Peru, at the Mansiche Sports Complex from 21 to 23 July. The United States topped the medal table with 54 medals total including 22 gold.
WThe 2017 Youth Parapan American Games were a multi-sport event held from March 20 March 25, 2017 in São Paulo, Brazil. They were the fourth edition of the Youth Parapan American Games and they were organized by the Brazilian Paralympic Committee (CPB) and the International Paralympic Committee (IPC).
WThe 42nd South American U20 Championships in Athletics were held in Leonora, Guyana, on 3 and 4 June. It was the first time that this competition was held in Guyana.