BEIJING, CHINA - AUGUST 28:  Danielle Williams of Jamaica (C) crosses the finish line to win gold in the Women's 100 metres hurdles final ahead of second place Cindy Roleder of Germany (2nd L) as Tiffany Porter of Great Britain (3rd L) falls during day seven of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 28, 2015 in Beijing, China.  (Photo by Lintao Zhang/Getty Images for IAAF)