Demino ski marathon
The Demino Skimarathon ( Russian Дёминский лыжный марафон ) is a ski marathon in Russia that is part of the Worldloppet series and has been held since 2007. The event is held annually in March in the Demino ski center (Центр лыжного спорта "Дёмино"), which is located 20 km from Rybinsk . The main runs lead over 50 km in free technique and over 25 km in classic technique.