The Hope and Opportunity Ulaanbaatar Marathon has been organized since 2015 and isattended by teachers, staff, students and alumni of the MNUMS. The marathon event is held every September in the National Park. Organized by Mrs. Saranchuluun O., head of Achilles Mongolian NGO, teacher of School of Public Health. 3, 5, 10, 21, 42 km distance, 8 age categories, more than 3600 people run every year and 350 volunteers contribute. The special feature of the marathon is that participants with disabilities and wheelchairs run with the support of volunteer helpers.