In December 2011, at the Open Dutch Championships in Eindhoven, he qualified for the 2012 Summer Paralympics in London. At London, on 31 August, he won the gold medal in the 100m backstroke setting a world record time. Six days later he took the bronze medal in the 100m breaststroke. When Evers took the gold in the backstroke he became the first athlete with an intellectual disability to win a medal since Sydney 2000.