The ban is one of many controversies dogging a sporting spectacle that opens on Friday - a year late - amid a global pandemic, a slew of scandals and deep disquiet over potential risk to life of staging a mega event between nations. For some of the women who have trained relentlessly for the chance at middle-distance glory, the intersex dispute is a mere distraction. For those sidelined - a disaster. Seyni ranks 44th in the world for the m, some 40 places behind her timings over the longer race she can no longer run.