blackmarathoners.org
网站标题：	* - National Black Marathoners Association
网站简介：	* - National Black Marathoners Association
关键字：	black  runners  black  marathoners  black  running  group  black  running  groups  running  group  nbma

jbnewmaterials.com
网站标题：	n-butyl methacrylate, nbma, bma | Guang Jianbang New Material Co.,Ltd
网站简介：	n-butyl methacrylate, nbma, bma | Guang Jianbang New Material Co.,Ltd
关键字：	n-butyl  methacrylate  nbma  bma

breakingthreehours.com
网站标题：	Breaking Three Hours - Breaking Three Hours: Trailblazing African-American Women Marathoners Documen
网站简介：	Since 1975, about 14 million runners finished 26.2-mile marathons in the USA. About two percent or 280,000 runners finished marathons in under three hours. However, ONLY twenty out of 14 million finishers were US-born, African-American women, who broke three hours in the marathon. This documentary, Breaking Three Hours: Trailblazing African-American Women Marathoners, is about nine of these amazing women.
关键字：	African  American  marathoner  breaking  three  hours  black  women  marathoners  black  women  runners  African  American  women  runners  African  American  women  marathoners  NBMA  national  black  marathoners  as

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