Scheduled to start at the same time as the men’s event on the final day of the Championships, the women’s 50km race walk will have separate results and prize money.The entry standard is 4 hours 30min, which athletes must achieve by Tuesday (July 25) in order to compete in the event.In order for athletes to be allowed to finish the race in London they will be required to start the last two-kilometres lap within the time limit of 4:17:00.
http://www.insidethegames.biz/articles/1053138/womens-50km-race-walk-added-to-2017-iaaf-world-championships-schedule-as-part-of-gender-parity"But we must acknowledge this has been a last-minute decision based upon the request of a small group of athletes.
"Therefore, to ensure the long-term credibility of the World Championships, we will follow the recommendation of the Race Walking Committee and assess the development of the event to determine whether there are sufficient numbers of athletes and countries legitimately interested."