Maintenance: On Thursday, June 28 2018, 18:00-18:15, maintenance work on the ZORA servers is scheduled. ZORA will not be available during this period. Thank you for your patience.
Abou Shoak, M; Knechtle, B; Knechtle, P; Rüst, C A; Rosemann, T; Lepers, R (2013). Participation and performance trends in ultracycling. Open Access Journal of Sports Medicine, 4:41-51.