The 12th FINA World Swimming Championships (25m) were held in Doha, Qatar on 3–7 December 2014. The Hamad Aquatic Centre in the Aspire Zone hosted the event.

Nicholas Araújo Dias dos Santos is a Brazilian competitive swimmer who specializes in freestyle and butterfly sprint events. He swims for Esporte Clube Pinheiros. He swam the 50-metre freestyle at the 2008 Summer Olympics and was a member of the Brazilian 4×100-meter freestyle team at the 2012 Summer Olympics. At the 50-metre butterfly, he is the World Record holder in Short Course, and he was the Americas Record Holder in Long Course.