The Muskathlon is an extreme endurance event held in an extreme location. You choose whether to run, cycle or trek. In 2017 Open Doors in partnership with 4M are holding 2 Muskathlons.

13th - 20th May 2017 in Lebanon
6th - 15th October 2017 in Sri Lanka

 
Advance dates for 2018: Sri Lanka 24 May - 2 June, Jordan 6 - 13 October