The 1st ever winter edition of the World’s Highest Marathon The trip dates are November 17 to December 6, 2025 for the Marathon, Half-Marathon and Non-Runner options of the first running of our Mount Everest Winter Marathon. Race date is December 1, 2025 starting at Everest Base Camp! On December 1, 2025, runners, joggers, hikers and walkers will leave Everest …