http://www.letsrun.com/news/2016/08/2016-olympic-womens-5000-preview-almaz-ayana-looks-become-second-woman-complete-distance-double-will-world-record-fall/While African-born runners still dominate the long-distance events at global championships, a few non-African-born athletes have been able to break through and earn medals in recent years: Emily Infeld in the women’s 10,000 last year, Galen Rupp in the women’s 10,000 in 2012. That sort of breakthrough has not yet been achieved in the women’s 5,000.