In July 2017, 31 world-class athletes from 20 different nations embarked on a grueling hike and fly adventure across the Alps. Filming the race was an 18-man camera crew, equipped with the latest technology and a helicopter. Just in time for the holidays, we've put together a 52-minute documentary showcasing the most epic moments of this year’s edition.

Lees meer op www.redbullxalps.com.