Mezue ahịrịokwu na-esonụ: Na 1978 Commonwealth Games na-anọchite anya England na Edmonton, Alberta, Canada, Barnes kwụsịrị nke anọ na 800 m ikpeazụ na 2:03.41. Ka izuụka atọ gachara, o ruru ọkara-ikpeazụ n'asọmpi
1978 European Championships na Prague, na-agba ọsọ 2:01.69.