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.

[1] As of 2013, ter Mors has won two silver medals at the World Championships; the first came in 2011, as a member of the Dutch relay team, and the second in 2013 in the 1000 metres.

[2] As of 2013, ter Mors has one ISU Short Track Speed Skating World Cup victory, coming as part of the Dutch relay team in 2012–13 at Dresden.

On 20 February 2018, she skated the B-finals in the 3,000 metres relay at the 2018 Winter Olympics and her team set the world record time of 4:03.471.

At the Dutch Olympic trials, held on 26 –30 December 2013 in Thialf, Heerenveen, she participated in the 1,000, 1,500 and 3,000m but only qualified for the 1,500m where she finished in third place behind Ireen Wüst and Lotte van Beek.