Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Peter, Laura; Rüst, Christoph Alexander; Knechtle, Beat; Rosemann, Thomas; Lepers, Romuald (2014). Sex differences in 24-hour ultra-marathon performance - a retrospective data analysis from 1977 to 2012. Clinics, 69(1):38-46.