2017_World_Championships_in_Athletics_qualification_standards
The following marks are the qualification standards for the 2017 World Championships in Athletics. The standards have been changed again from the 2015 standards. Each country may send a maximum of four athletes who have attained the A qualification mark in each specific event. A maximum of three athletes can compete in that event, with the sole exception of the relays, in which four of a possible six athletes may compete.
The qualification period ends on July 23, 2017, the date final entries are due. The start date for the qualification period was October 1, 2016 for all events except for 10,000 metres, Marathon, Race Walks, Relays and Combined Events which began on January 1, 2016.