Buuxi weedha soo socota: Benning wuxuu ku dhashay Urmston, Lancashire, England. Sanadkii 1971, iyadoo loo yaqaan Christine Tranter, waxay ku guuleysatay AAAs Under 17 800 metres title. 1974-kii, iyadoo weli ah dhalinyaro, waxay gashay kaalinta 15-aad ee
Horyaalka Adduunka ee orodka dalka oo 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.