Ouédraogo represented Belgium at the 2008 Summer Olympics in Beijing. She competed at the 4 x 100 m relay together with Gevaert, Mariën and Borlée. In their first-round heat they placed first in front of Great Britain, Brazil and Nigeria. Their time of 42.92 seconds was the third time overall out of sixteen participating nations. In the finals they finished in second place behind Russia in a national record time of 42.54 seconds, though after re-testing samples in 2016, Yuliya Chermoshanskaya's tests revealed two illegal substances. The Russian team was disqualified for doping, and the Belgian's team silver medal was upgraded to a gold medal.
