Patagonian Expedition Race

The Patagonian Expedition Race is an annual endurance adventure race that takes place in the remote wilderness of Chilean Patagonia, run to help protect and raise awareness about the fragile environment in this region. Known as the 'Race to the End of the World', the 10-day event challenges co-ed international teams of four athletes in the disciplines of trekking, sea kayaking, orienteering, and mountain biking.

Source: Wikipedia — Patagonian Expedition Race (CC BY-SA 4.0)