In 1993 Skah won the 5000 m race at Weltklasse Zürich. However, he finished fifth in 5000 m at the 1993 World Championships. He ran his only world record in 2 miles (8:12.17) in the same season. He won the 1994 World Semi-Marathon Championships and finished second in 10,000 m at the 1995 World Championships.