Mirjam de Koning (born Peper) (born 16 July 1969 in Amsterdam) is a Dutch paraplegic swimmer. De Koning was born with damaged connective tissue. After her daughter Sarina was born in 1993, she had seven anterior cruciate ligament surgeries. In 1999 she suffered from a hernia and during a back-surgery and a nerve was damaged. This left her with a form of paraplegia, hence she competes in the S6 classification. Swimming and wheelchair basketball were her sports, but as wheelchair basketball caused a lot of injuries, she decided to mainly focus on swimming. She started to train five times a week with local swim team called Oceanus in Aalsmeer. Not much later she was one of the fastest swimmers at her club, being able to keep up with swimmers without a disability. That year she swam seven Dutc