The Moroccan national championships he won in 1992 and 1995 in the 1500 -meter run and 1993 in the 5000 -meter run.
In 1997 he received by virtue of marriage, the Belgian nationality and ran 1:00:18 h the current Belgian national record in the half marathon. At the World Athletics Championships in 1999 in Seville he finished third in the 5000 -meter run. In the same year he presented 26:52,30 h on a European record in the 10,000 m.
The following year, followed by two European records over 3,000 m ( 7:26.62 min) and 5,000 m ( 12:49.71 min). 2000 and 2001, he won gold at the World Cross Country Championships.
He was charged with abuse of erythropoietin (EPO) is a three -year ban, which was later reduced by one year in 2002.