The 70KM Ultra-Marathon (70th Everest Ascent Anniversary Celebration Trail) is for extreme adventure. Starting from Everest Marathon, tracks of the ultra-marathon start from Everest Base Camp and end at Namche Bazaar like the full marathon. However, the 70KM Ultra Marathon moves towards Bibre to Chhukung from Dingboche and to Nha La from Phortse and descends via Mongla towards Namche Bazaar, making it an ultimate adventure run.