Seraina Boner is a bonafide Visma Ski Classics legend who has done Engadin Ski Marathon many times. She is going to race tomorrow as well and she offers tips to all skiers. You check out the video on our Facebook site:

https://www.facebook.com/vismaskiclassics/?ref=aymt_homepage_panel&eid=ARA1CguU8xO6NJ83L3cefLgR6SP5eox2VHXa-L0qjCZItMOEqyReZ_22JPKGNTe0MhNhzcuwOcuNiRkH