In this vault classic episode, Scott Johnston is joined by Olga Dobranowski. Olga is a medical doctor, based out of Colorado, who has been drawn to the mountains her entire life and tackled many impressive mountain goals. Here are some of the topics discussed: growing up and starting climbing in Poland; Polish climbing history; Olga’s early climbing days in Poland and throughout Europe; moving to the U.S.A., and settling in Colorado; the evolution of Olga’s training; orchestrating success on Aconcagua with a busy lifestyle; pre-acclimatization; light and fast; self-assessment of altitude sickness; continued success on a solo climb of Denali; Olga’s base, aerobic, and specific training; hypoxic tents and other techniques for pre-acclimatization; physiological effects of altitude.