When blind athlete Dan Berlin and his three guides (Alison Qualter Berna, Charles Scott and Brad Graff) decided to run the Inca Trail to Machu Picchu in a single day, many people who were familiar with the trail told them it would be impossible – that the altitude, terrain and distance combined would make the task insurmountable.

But with the assistance of Intrepid Travel guide Elyas, Team See Possibilities made it to the Sun Gate just before the cut-off time to carry on to Machu Picchu, and finished their astonishing achievement in 13 hours, making Dan Berlin the first ever blind athlete to complete the entire 26 miles of the Inca Trail in a single day.

To follow the story or find out more, visit intrepidtravel.com/team-see or teamseepossibilities.com.