 Complete the following phrase:  At the 1987 World Championships in Athletics he placed 35th  the only African in the race. He and Mohamed Bouhalla formed the African contingent at the 1988 Seoul Olympics. Ferguène finished ahead of his countryman and gave his best championship performance with a time of 1:26:33 hours for 32nd place. The younger Bouhalla was fast improving, however, and Ferguène ended up silver medallist behind him at both the 