This paper includes a literature review of the research on marathon running as a leadership development strategy especially for the millennial leaders while they have a postmodern worldview, searching authentic and innovative solutions and supporting divergent thinking. Furthermore, it points out the importance of learning transfer from the perspective of constructivist theory. In this respect, first, constructivist learning theory and learning transfer are explained. In the next two sections, leadership development for the millennial generation and how marathon running is handled as a leadership development strategy in the literature are determined. At the end of the paper, practical implications for leaders and organizations are suggested.