Mardini after being announced as a UNHCR Goodwill Ambassador (Susan Hopper/UNHCR)
Mardini training in Berlin (Fabrizio Bensch/Reuters)
Mardini in an Instagram post sponsored by UnderArmour (Kike Photography)
Mardini competing in the 2016 Rio Olympics (Vaughn Ridley/Getty Images)
The most important thing in my life is swimming. Then speaking and doing things to help refugees.
Her online presence reflects her continued advocacy for refugees.