Sii qor faqradan - Benning wuxuu ku dhashay Urmston, Lancashire, England. Sanadkii 1971, iyadoo loo yaqaan Christine Tranter, waxay ku guuleysatay AAAs Under 17 800 metres title. Sanadkii 1974, oo ay weli ahayd dhalinyaro, waxay kaalinta 15-aad ka gashay tartankii adduunka ee orodka dalka
waxaana uu ku guuleystay billad dahab ah tartanka kooxda. 1975, waxay gashay kaalinta 18-aad. Waxay kaalinta shanaad ka gashay finalka 1500 m ee Ciyaaraha Ardayda Adduunka ee 1977 (Universiade) ee Sofia 4:09.7.