Richardson was part of the Great Britain team that won the bronze medal at the 2012 Olympics in London, captaining the team for two games after regular captain Kate Walsh broke her jaw in the opening match. Between 2013 and 2014, she underwent surgery twice for spinal disc herniation. She was left out of the England squad for the 2014 World Cup, but returned to international hockey with the Great Britain team in April 2015. In August 2015, she was part of the England team that won the EuroHockey Nations Championship for the first time, scoring a penalty in the gold medal match penalty shoot-out against the Netherlands.