Ter Mors competed at the 2010 Winter Olympics for the Netherlands. She placed third in her round one race of the 500 metres and was disqualified in the opening round of the 1000 metres, failing to advance. She was also a member of the Dutch 3000 metre relay team, which finished third in the semifinals and won the B Final, ending up fourth overall. Her best overall individual finish, is 23rd, in the 500 metres.