Mezue ahịrịokwu na-esonụ: N'afọ 1986, Benning meriri aha AAAs 3000 m, na-aga n'ihu na nke anọ na Commonwealth Games na Edinburgh. Na
1987 IAAF World Cross Country Championships ọ gwụchara nke iri abụọ, nke asaa ya n'ime iri abụọ n'ime ihe omume ahụ. N'oge ọkọchị, ọ meriri aha UK Championship 1500 m. Mgbe ahụ na asọmpi egwuregwu ụwa na Rome na Septemba, ọ ruru asọmpi ikpeazụ nke 3000 m maka oge nke abụọ, na-emecha 12 na 8:57.92.