Speedskating: Calgary, Summer classic, 25/08/2017-27/08/2017 Heerenveen, World Cup 1, 10/11/2017-12/11/2017 Calgary, World cup 3, 01/12/2017-03/12/2017 Salt Lake City, World cup 4, 08/12/2017-10/12/2017 Erfurt, World cup 5, 19/01/2018-21/01/2018