Rubuta ci gaba don wannan sakin layi - An haifi Benning a Urmston, Lancashire, Ingila. A shekara ta 1971, a matsayin Christine Tranter, ta lashe AAAs A karkashin 17 800 mita take. A shekara ta 1974, yayin da take matashiya, ta kasance ta 15 a Gasar Cin Kofin Duniya
kuma ya lashe lambar zinare a gasar kungiya. A shekara ta 1975, ita ce ta 18. Ta gama ta biyar a wasan karshe na mita 1500 a Wasannin Dalibai na Duniya (Universiade) a 1977 a Sofia a 4:09.7.