Wehmanen, K.W., Petushek, E.J., Ruby, B.C., McDaniel, J., Kipp, S. and Elmer, S.J. 2026. Participation and Finish Trends for North American Winter Ultra-Endurance Races (129-1,609 km). Journal of Science and Cycling. 15, 2 (Nov. 2026), 34.