If athletes are recalled after a faulty start -- where no athlete is at fault -- the entire field is shown a green card. The starter will call the athletes back by firing the gun a second time, according to the WA Ethical Rule manual.
On a dramatic night on Monday, Faith Kipyegon finished second in the women's 5,000m final, was promptly disqualified for entangling with Ethiopian world record holder Gudaf Tsegay, but reinstated as the silver medal winner on appeal.
Read the competitions’ appeals' judgment: “The Jury of Appeal has reviewed all available evidence and agreed there was significant contact between, and by, the two athletes. The Jury concluded that the incident did not warrant a disqualification.