The IAAF World u18 championship is a global event comprising of track and field where competitors are 17 years or younger. The first edition was between 16th and 18th July, 1999 in Poland.
The 10th edition will be hosted in Nairobi, Kenya between 12th and 16th July 2017 at Moi International Sports Centre, Kasarani.
This is the second time for the tournament to be hosted in Africa. The fourth edition was in Marrakech, Morocco in 2005. This competition has attracted competitors from over 30 countries.