Career
Slimani qualified for two swimming events at the 2004 Summer Olympics in Athens, by posting FINA B-standard entry times of 55.40 (100 m butterfly) and 2:03.18 (200 m butterfly) from the World Championships in Barcelona, Spain. In the 200 m butterfly, Slimani challenged seven other swimmers in heat two, including Olympic veteran Vladan Marković of Serbia. He raced to sixth place and thirty-first overall by 0.16 of a second behind Markovic in 2:04.93.
In his second event, 100 m butterfly, Slimani placed forty-eighth on the morning"s preliminaries.
Swimming in heat three, he edged out Turkey"s Onur Uras to take a seventh seed by fifteen hundredths of a second (015) in 56.22.