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From the race manual:
"Riders will be pleased to hear that the majority of this parcours is downhill, but this is only because it begins at the top of Slovenia’s highest road – Mangart Česta, which leads up to the 2,072m Mangart saddle, overlooked by Slovenia’s third highest peak, Mangart itself, commanding dizzying views of the Julian Alps and Italy’s Fusine lakes."
That's my interpretation.
Gotta get up to get down.