New Track in 2026, see Website.

La Sfida on Sunday (28 km) in free technique starts from the Zuoz cross-country skiing center and runs along the Engadin La Diagonela and Engadin Skimarathon route to the finish in Silvaplana. Participants can combine their times for the skiathlon classification if they also take part in La Pachifica (25 km classic) on Saturday. Ideal preparation for the Engadin Skimarathon - this time in the opposite direction.

Young people born in 2006 or later can participate free of charge.

You can register online for free. Please send a copy of your ID to info@ladiagonela.ch for verification purposes.